396307277 has 4 divisors (see below), whose sum is σ = 396581856. Its totient is φ = 396032700.

The previous prime is 396307231. The next prime is 396307313. The reversal of 396307277 is 772703693.

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 a de Polignac number, because none of the positive numbers 2^k-396307277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396307207) 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, 135113 + ... + 138014.

It is an arithmetic number, because the mean of its divisors is an integer number (99145464).

Almost surely, 2^396307277 is an apocalyptic number.

It is an amenable number.

396307277 is a deficient number, since it is larger than the sum of its proper divisors (274579).

396307277 is a wasteful number, since it uses less digits than its factorization.

396307277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274578.

The product of its (nonzero) digits is 333396, while the sum is 44.

The square root of 396307277 is about 19907.4678701235. The cubic root of 396307277 is about 734.5319351633.

The spelling of 396307277 in words is "three hundred ninety-six million, three hundred seven thousand, two hundred seventy-seven".