194613240 has 64 divisors (see below), whose sum is σ = 584933760. Its totient is φ = 51799680.

The previous prime is 194613203. The next prime is 194613259. The reversal of 194613240 is 42316491.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 194613198 and 194613207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81747 + ... + 84093.

It is an arithmetic number, because the mean of its divisors is an integer number (9139590).

Almost surely, 2^194613240 is an apocalyptic number.

194613240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194613240 is an abundant number, since it is smaller than the sum of its proper divisors (390320520).

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

194613240 is a wasteful number, since it uses less digits than its factorization.

194613240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3052 (or 3048 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 194613240 is about 13950.3849409255. The cubic root of 194613240 is about 579.5053650477.

The spelling of 194613240 in words is "one hundred ninety-four million, six hundred thirteen thousand, two hundred forty".