396858528 has 240 divisors, whose sum is σ = 1317254400. Its totient is φ = 116121600.

The previous prime is 396858503. The next prime is 396858569. The reversal of 396858528 is 825858693.

396858528 is a `hidden beast` number, since 3 + 9 + 68 + 58 + 528 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 883648 + ... + 884096.

It is an arithmetic number, because the mean of its divisors is an integer number (5488560).

Almost surely, 2^396858528 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 396858528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658627200).

396858528 is an abundant number, since it is smaller than the sum of its proper divisors (920395872).

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

396858528 is a wasteful number, since it uses less digits than its factorization.

396858528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 496 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 54.

The square root of 396858528 is about 19921.3083907659. The cubic root of 396858528 is about 734.8723476770.

It can be divided in two parts, 396858 and 528, that added together give a triangular number (397386 = T₈₉₁).

The spelling of 396858528 in words is "three hundred ninety-six million, eight hundred fifty-eight thousand, five hundred twenty-eight".