396817384 has 16 divisors (see below), whose sum is σ = 748490400. Its totient is φ = 197219952.

The previous prime is 396817363. The next prime is 396817387. The reversal of 396817384 is 483718693.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (396817387) 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, 147174 + ... + 149845.

It is an arithmetic number, because the mean of its divisors is an integer number (46780650).

Almost surely, 2^396817384 is an apocalyptic number.

It is an amenable number.

396817384 is a deficient number, since it is larger than the sum of its proper divisors (351673016).

396817384 is a wasteful number, since it uses less digits than its factorization.

396817384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297192 (or 297188 counting only the distinct ones).

The product of its digits is 870912, while the sum is 49.

The square root of 396817384 is about 19920.2757009033. The cubic root of 396817384 is about 734.8469510258.

The spelling of 396817384 in words is "three hundred ninety-six million, eight hundred seventeen thousand, three hundred eighty-four".