396835389 has 16 divisors (see below), whose sum is σ = 588331840. Its totient is φ = 264364560.

The previous prime is 396835381. The next prime is 396835393. The reversal of 396835389 is 983538693.

It is not a de Polignac number, because 396835389 - 2³ = 396835381 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 (396835381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39234 + ... + 48300.

It is an arithmetic number, because the mean of its divisors is an integer number (36770740).

Almost surely, 2^396835389 is an apocalyptic number.

It is an amenable number.

396835389 is a deficient number, since it is larger than the sum of its proper divisors (191496451).

396835389 is a wasteful number, since it uses less digits than its factorization.

396835389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10697 (or 10691 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The square root of 396835389 is about 19920.7276222532. The cubic root of 396835389 is about 734.8580650544.

The spelling of 396835389 in words is "three hundred ninety-six million, eight hundred thirty-five thousand, three hundred eighty-nine".