396900659 has 4 divisors (see below), whose sum is σ = 396944304. Its totient is φ = 396857016.

The previous prime is 396900653. The next prime is 396900677. The reversal of 396900659 is 956009693.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 956009693 = 5507 ⋅173599.

It is a cyclic number.

It is not a de Polignac number, because 396900659 - 2⁴ = 396900643 is a prime.

It is a super-2 number, since 2×396900659² = 315060266229268562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396900653) 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, 2447 + ... + 28280.

It is an arithmetic number, because the mean of its divisors is an integer number (99236076).

Almost surely, 2^396900659 is an apocalyptic number.

396900659 is a deficient number, since it is larger than the sum of its proper divisors (43645).

396900659 is a wasteful number, since it uses less digits than its factorization.

396900659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43644.

The product of its (nonzero) digits is 393660, while the sum is 47.

The square root of 396900659 is about 19922.3657982680. The cubic root of 396900659 is about 734.8983517474.

The spelling of 396900659 in words is "three hundred ninety-six million, nine hundred thousand, six hundred fifty-nine".