194057424 has 160 divisors (see below), whose sum is σ = 615377280. Its totient is φ = 58060800.

The previous prime is 194057419. The next prime is 194057429. The reversal of 194057424 is 424750491.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (194057419) and next prime (194057429).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194057429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 460734 + ... + 461154.

It is an arithmetic number, because the mean of its divisors is an integer number (3846108).

Almost surely, 2^194057424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194057424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307688640).

194057424 is an abundant number, since it is smaller than the sum of its proper divisors (421319856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194057424 is a wasteful number, since it uses less digits than its factorization.

194057424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 194057424 is about 13930.4495261280. The cubic root of 194057424 is about 578.9531493139.

It can be divided in two parts, 194057 and 424, that added together give a 4-th power (194481 = 21⁴).

The spelling of 194057424 in words is "one hundred ninety-four million, fifty-seven thousand, four hundred twenty-four".