396739572 has 24 divisors (see below), whose sum is σ = 936129600. Its totient is φ = 130760256.

The previous prime is 396739571. The next prime is 396739573. The reversal of 396739572 is 275937693.

It is an interprime number because it is at equal distance from previous prime (396739571) and next prime (396739573).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396739571) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 184672 + ... + 186807.

It is an arithmetic number, because the mean of its divisors is an integer number (39005400).

Almost surely, 2^396739572 is an apocalyptic number.

It is an amenable number.

396739572 is an abundant number, since it is smaller than the sum of its proper divisors (539390028).

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

396739572 is a wasteful number, since it uses less digits than its factorization.

396739572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371575 (or 371573 counting only the distinct ones).

The product of its digits is 2143260, while the sum is 51.

The square root of 396739572 is about 19918.3225197304. The cubic root of 396739572 is about 734.7989157908.

The spelling of 396739572 in words is "three hundred ninety-six million, seven hundred thirty-nine thousand, five hundred seventy-two".