194957088 has 72 divisors (see below), whose sum is σ = 543714192. Its totient is φ = 61154304.

The previous prime is 194957083. The next prime is 194957117. The reversal of 194957088 is 880759491.

It is a super-2 number, since 2×194957088² = 76016532322879488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 194957088.

It is not an unprimeable number, because it can be changed into a prime (194957083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24231 + ... + 31257.

It is an arithmetic number, because the mean of its divisors is an integer number (7551586).

Almost surely, 2^194957088 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 194957088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271857096).

194957088 is an abundant number, since it is smaller than the sum of its proper divisors (348757104).

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

194957088 is a wasteful number, since it uses less digits than its factorization.

194957088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7074 (or 7049 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 51.

The square root of 194957088 is about 13962.7034631550. The cubic root of 194957088 is about 579.8464595558.

The spelling of 194957088 in words is "one hundred ninety-four million, nine hundred fifty-seven thousand, eighty-eight".