393896 has 16 divisors (see below), whose sum is σ = 753300. Its totient is φ = 193024.

The previous prime is 393871. The next prime is 393901. The reversal of 393896 is 698393.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 376996 + 16900 = 614^2 + 130^2 .

It is an unprimeable number.

393896 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41 + ... + 888.

2³⁹³⁸⁹⁶ is an apocalyptic number.

It is an amenable number.

393896 is a deficient number, since it is larger than the sum of its proper divisors (359404).

393896 is a wasteful number, since it uses less digits than its factorization.

393896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988 (or 984 counting only the distinct ones).

The product of its digits is 34992, while the sum is 38.

The square root of 393896 is about 627.6113447031. The cubic root of 393896 is about 73.3039184141.

The spelling of 393896 in words is "three hundred ninety-three thousand, eight hundred ninety-six".