194257896 has 32 divisors (see below), whose sum is σ = 555023040. Its totient is φ = 55502208.

The previous prime is 194257883. The next prime is 194257951. The reversal of 194257896 is 698752491.

It is a super-2 number, since 2×194257896² = 75472260316693632, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577981 + ... + 578316.

It is an arithmetic number, because the mean of its divisors is an integer number (17344470).

Almost surely, 2^194257896 is an apocalyptic number.

It is an amenable number.

194257896 is an abundant number, since it is smaller than the sum of its proper divisors (360765144).

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

194257896 is a wasteful number, since it uses less digits than its factorization.

194257896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156313 (or 1156309 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The square root of 194257896 is about 13937.6431293099. The cubic root of 194257896 is about 579.1524441918.

The spelling of 194257896 in words is "one hundred ninety-four million, two hundred fifty-seven thousand, eight hundred ninety-six".