396313937 has 4 divisors (see below), whose sum is σ = 396432036. Its totient is φ = 396195840.

The previous prime is 396313927. The next prime is 396313949. The reversal of 396313937 is 739313693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 739313693 = 19 ⋅38911247.

It can be written as a sum of positive squares in 2 ways, for example, as 128958736 + 267355201 = 11356^2 + 16351^2 .

It is a cyclic number.

It is not a de Polignac number, because 396313937 - 2⁴ = 396313921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396313927) 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, 53864 + ... + 60777.

It is an arithmetic number, because the mean of its divisors is an integer number (99108009).

Almost surely, 2^396313937 is an apocalyptic number.

It is an amenable number.

396313937 is a deficient number, since it is larger than the sum of its proper divisors (118099).

396313937 is a wasteful number, since it uses less digits than its factorization.

396313937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118098.

The product of its digits is 275562, while the sum is 44.

The square root of 396313937 is about 19907.6351433313. The cubic root of 396313937 is about 734.5360497780.

The spelling of 396313937 in words is "three hundred ninety-six million, three hundred thirteen thousand, nine hundred thirty-seven".