396652669 has 4 divisors (see below), whose sum is σ = 453317344. Its totient is φ = 339987996.

The previous prime is 396652651. The next prime is 396652679. The reversal of 396652669 is 966256693.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 396652669 - 2¹¹ = 396650621 is a prime.

It is a super-2 number, since 2×396652669² = 314666679649647122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396652649) 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, 28332327 + ... + 28332340.

It is an arithmetic number, because the mean of its divisors is an integer number (113329336).

Almost surely, 2^396652669 is an apocalyptic number.

It is an amenable number.

396652669 is a deficient number, since it is larger than the sum of its proper divisors (56664675).

396652669 is an equidigital number, since it uses as much as digits as its factorization.

396652669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56664674.

The product of its digits is 3149280, while the sum is 52.

The square root of 396652669 is about 19916.1409163522. The cubic root of 396652669 is about 734.7452610362.

The spelling of 396652669 in words is "three hundred ninety-six million, six hundred fifty-two thousand, six hundred sixty-nine".