394636152 has 32 divisors (see below), whose sum is σ = 1010656080. Its totient is φ = 128336640.

The previous prime is 394636141. The next prime is 394636159. The reversal of 394636152 is 251636493.

It is a self number, because there is not a number n which added to its sum of digits gives 394636152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394636159) 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, 199543 + ... + 201510.

Almost surely, 2^394636152 is an apocalyptic number.

It is an amenable number.

394636152 is an abundant number, since it is smaller than the sum of its proper divisors (616019928).

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

394636152 is a wasteful number, since it uses less digits than its factorization.

394636152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401103 (or 401099 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

The square root of 394636152 is about 19865.4512156155. The cubic root of 394636152 is about 733.4980370183.

The spelling of 394636152 in words is "three hundred ninety-four million, six hundred thirty-six thousand, one hundred fifty-two".