194427816 has 32 divisors (see below), whose sum is σ = 530258400. Its totient is φ = 58917440.

The previous prime is 194427791. The next prime is 194427823. The reversal of 194427816 is 618724491.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367971 + ... + 368498.

It is an arithmetic number, because the mean of its divisors is an integer number (16570575).

Almost surely, 2^194427816 is an apocalyptic number.

It is an amenable number.

194427816 is an abundant number, since it is smaller than the sum of its proper divisors (335830584).

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

194427816 is a wasteful number, since it uses less digits than its factorization.

194427816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736489 (or 736485 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 194427816 is about 13943.7375190442. The cubic root of 194427816 is about 579.3212591295.

The spelling of 194427816 in words is "one hundred ninety-four million, four hundred twenty-seven thousand, eight hundred sixteen".