396906552 has 48 divisors (see below), whose sum is σ = 1228521840. Its totient is φ = 113401728.

The previous prime is 396906529. The next prime is 396906553. The reversal of 396906552 is 255609693.

396906552 is a `hidden beast` number, since 3 + 9 + 6 + 90 + 6 + 552 = 666.

It is a super-2 number, since 2×396906552² = 315069622041057408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 396906498 and 396906507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396906553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 393253 + ... + 394260.

It is an arithmetic number, because the mean of its divisors is an integer number (25594205).

Almost surely, 2^396906552 is an apocalyptic number.

It is an amenable number.

396906552 is an abundant number, since it is smaller than the sum of its proper divisors (831615288).

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

396906552 is a wasteful number, since it uses less digits than its factorization.

396906552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787532 (or 787525 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 45.

The square root of 396906552 is about 19922.5136968205. The cubic root of 396906552 is about 734.9019888746.

The spelling of 396906552 in words is "three hundred ninety-six million, nine hundred six thousand, five hundred fifty-two".