396915 has 16 divisors (see below), whose sum is σ = 649728. Its totient is φ = 206816.

The previous prime is 396887. The next prime is 396919. The reversal of 396915 is 519693.

It is a cyclic number.

It is not a de Polignac number, because 396915 - 2⁵ = 396883 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

396915 is a lucky number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (396919) 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, 424 + ... + 986.

It is an arithmetic number, because the mean of its divisors is an integer number (40608).

2³⁹⁶⁹¹⁵ is an apocalyptic number.

396915 is a deficient number, since it is larger than the sum of its proper divisors (252813).

396915 is a wasteful number, since it uses less digits than its factorization.

396915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618.

The product of its digits is 7290, while the sum is 33.

The square root of 396915 is about 630.0119046494. The cubic root of 396915 is about 73.4907202871.

The spelling of 396915 in words is "three hundred ninety-six thousand, nine hundred fifteen".