396261570 has 16 divisors (see below), whose sum is σ = 951027840. Its totient is φ = 105669744.

The previous prime is 396261557. The next prime is 396261577. The reversal of 396261570 is 75162693.

It is not an unprimeable number, because it can be changed into a prime (396261577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6604330 + ... + 6604389.

It is an arithmetic number, because the mean of its divisors is an integer number (59439240).

Almost surely, 2^396261570 is an apocalyptic number.

396261570 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

396261570 is an abundant number, since it is smaller than the sum of its proper divisors (554766270).

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

396261570 is a wasteful number, since it uses less digits than its factorization.

396261570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13208729.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 396261570 is about 19906.3198507409. The cubic root of 396261570 is about 734.5036956769.

The spelling of 396261570 in words is "three hundred ninety-six million, two hundred sixty-one thousand, five hundred seventy".