615396 has 12 divisors (see below), whose sum is σ = 1435952. Its totient is φ = 205128.

The previous prime is 615389. The next prime is 615401. The reversal of 615396 is 693516.

It is a happy number.

615396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 615396.

It is an unprimeable number.

615396 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, 25630 + ... + 25653.

2⁶¹⁵³⁹⁶ is an apocalyptic number.

It is an amenable number.

615396 is an abundant number, since it is smaller than the sum of its proper divisors (820556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

615396 is a wasteful number, since it uses less digits than its factorization.

615396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51290 (or 51288 counting only the distinct ones).

The product of its digits is 4860, while the sum is 30.

The square root of 615396 is about 784.4717968162. The cubic root of 615396 is about 85.0585985782.

The spelling of 615396 in words is "six hundred fifteen thousand, three hundred ninety-six".