394828032 has 72 divisors (see below), whose sum is σ = 1076533920. Its totient is φ = 128389120.

The previous prime is 394828003. The next prime is 394828081. The reversal of 394828032 is 230828493.

It is a super-3 number, since 3×394828032³ (a number of 27 digits) contains 333 as substring.

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, 25219 + ... + 37757.

It is an arithmetic number, because the mean of its divisors is an integer number (14951860).

Almost surely, 2^394828032 is an apocalyptic number.

394828032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394828032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538266960).

394828032 is an abundant number, since it is smaller than the sum of its proper divisors (681705888).

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

394828032 is a wasteful number, since it uses less digits than its factorization.

394828032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12599 (or 12585 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 394828032 is about 19870.2801188106. The cubic root of 394828032 is about 733.6168982343.

The spelling of 394828032 in words is "three hundred ninety-four million, eight hundred twenty-eight thousand, thirty-two".