194057868 has 24 divisors (see below), whose sum is σ = 476633920. Its totient is φ = 61281360.

The previous prime is 194057837. The next prime is 194057869. The reversal of 194057868 is 868750491.

It is a super-2 number, since 2×194057868² = 75316912265410848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (194057869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425338 + ... + 425793.

Almost surely, 2^194057868 is an apocalyptic number.

It is an amenable number.

194057868 is an abundant number, since it is smaller than the sum of its proper divisors (282576052).

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

194057868 is a wasteful number, since it uses less digits than its factorization.

194057868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851157 (or 851155 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 194057868 is about 13930.4654624316. The cubic root of 194057868 is about 578.9535908585.

The spelling of 194057868 in words is "one hundred ninety-four million, fifty-seven thousand, eight hundred sixty-eight".