396777513 has 24 divisors (see below), whose sum is σ = 612119200. Its totient is φ = 227810880.

The previous prime is 396777499. The next prime is 396777517. The reversal of 396777513 is 315777693.

It is not a de Polignac number, because 396777513 - 2⁵ = 396777481 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (396777517) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21868 + ... + 35661.

Almost surely, 2^396777513 is an apocalyptic number.

396777513 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

396777513 is a deficient number, since it is larger than the sum of its proper divisors (215341687).

396777513 is a wasteful number, since it uses less digits than its factorization.

396777513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57573 (or 57562 counting only the distinct ones).

The product of its digits is 833490, while the sum is 48.

The square root of 396777513 is about 19919.2749115022. The cubic root of 396777513 is about 734.8223384749.

The spelling of 396777513 in words is "three hundred ninety-six million, seven hundred seventy-seven thousand, five hundred thirteen".