396612772 has 12 divisors (see below), whose sum is σ = 698494300. Its totient is φ = 197042976.

The previous prime is 396612767. The next prime is 396612773. The reversal of 396612772 is 277216693.

It can be written as a sum of positive squares in 2 ways, for example, as 128504896 + 268107876 = 11336^2 + 16374^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (396612773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315147 + ... + 316402.

Almost surely, 2^396612772 is an apocalyptic number.

It is an amenable number.

396612772 is a deficient number, since it is larger than the sum of its proper divisors (301881528).

396612772 is a wasteful number, since it uses less digits than its factorization.

396612772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631710 (or 631708 counting only the distinct ones).

The product of its digits is 190512, while the sum is 43.

The square root of 396612772 is about 19915.1392663973. The cubic root of 396612772 is about 734.7206256168.

The spelling of 396612772 in words is "three hundred ninety-six million, six hundred twelve thousand, seven hundred seventy-two".