402604194 has 8 divisors (see below), whose sum is σ = 805208400. Its totient is φ = 134201396.

The previous prime is 402604177. The next prime is 402604201. The reversal of 402604194 is 491406204.

It is a sphenic number, since it is the product of 3 distinct primes.

402604194 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33550344 + ... + 33550355.

It is an arithmetic number, because the mean of its divisors is an integer number (100651050).

Almost surely, 2^402604194 is an apocalyptic number.

402604194 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

402604194 is a wasteful number, since it uses less digits than its factorization.

402604194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67100704.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 402604194 is about 20064.9992275106. Note that the first 3 decimals coincide. The cubic root of 402604194 is about 738.4018309481.

The spelling of 402604194 in words is "four hundred two million, six hundred four thousand, one hundred ninety-four".