396982437 has 8 divisors (see below), whose sum is σ = 537210336. Its totient is φ = 260704752.

The previous prime is 396982429. The next prime is 396982483. The reversal of 396982437 is 734289693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 396982437 - 2³ = 396982429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 396982437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396982427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 987318 + ... + 987719.

It is an arithmetic number, because the mean of its divisors is an integer number (67151292).

Almost surely, 2^396982437 is an apocalyptic number.

It is an amenable number.

396982437 is a deficient number, since it is larger than the sum of its proper divisors (140227899).

396982437 is a wasteful number, since it uses less digits than its factorization.

396982437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975107.

The product of its digits is 1959552, while the sum is 51.

The square root of 396982437 is about 19924.4181094455. The cubic root of 396982437 is about 734.9488214631.

The spelling of 396982437 in words is "three hundred ninety-six million, nine hundred eighty-two thousand, four hundred thirty-seven".