396962387 has 4 divisors (see below), whose sum is σ = 397071480. Its totient is φ = 396853296.

The previous prime is 396962323. The next prime is 396962389. The reversal of 396962387 is 783269693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783269693 = 977 ⋅801709.

It is a cyclic number.

It is not a de Polignac number, because 396962387 - 2⁶ = 396962323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396962389) 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, 48893 + ... + 56430.

It is an arithmetic number, because the mean of its divisors is an integer number (99267870).

Almost surely, 2^396962387 is an apocalyptic number.

396962387 is a deficient number, since it is larger than the sum of its proper divisors (109093).

396962387 is a wasteful number, since it uses less digits than its factorization.

396962387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109092.

The product of its digits is 2939328, while the sum is 53.

The square root of 396962387 is about 19923.9149516354. The cubic root of 396962387 is about 734.9364481433.

The spelling of 396962387 in words is "three hundred ninety-six million, nine hundred sixty-two thousand, three hundred eighty-seven".