394761136 has 80 divisors (see below), whose sum is σ = 967223808. Its totient is φ = 151603200.

The previous prime is 394761127. The next prime is 394761139. The reversal of 394761136 is 631167493.

It is not an unprimeable number, because it can be changed into a prime (394761139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85216 + ... + 89728.

Almost surely, 2^394761136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394761136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (483611904).

394761136 is an abundant number, since it is smaller than the sum of its proper divisors (572462672).

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

394761136 is a wasteful number, since it uses less digits than its factorization.

394761136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4610 (or 4604 counting only the distinct ones).

The product of its digits is 81648, while the sum is 40.

The square root of 394761136 is about 19868.5967295126. The cubic root of 394761136 is about 733.5754634796.

The spelling of 394761136 in words is "three hundred ninety-four million, seven hundred sixty-one thousand, one hundred thirty-six".