397602528 has 192 divisors, whose sum is σ = 1184440320. Its totient is φ = 116121600.

The previous prime is 397602503. The next prime is 397602547. The reversal of 397602528 is 825206793.

It is a super-3 number, since 3×397602528³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 397602528.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1467033 + ... + 1467303.

It is an arithmetic number, because the mean of its divisors is an integer number (6168960).

Almost surely, 2^397602528 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 397602528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (592220160).

397602528 is an abundant number, since it is smaller than the sum of its proper divisors (786837792).

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

397602528 is a wasteful number, since it uses less digits than its factorization.

397602528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 397602528 is about 19939.9731193400. The cubic root of 397602528 is about 735.3312884819.

The spelling of 397602528 in words is "three hundred ninety-seven million, six hundred two thousand, five hundred twenty-eight".