396615 has 16 divisors (see below), whose sum is σ = 642528. Its totient is φ = 208896.

The previous prime is 396601. The next prime is 396619. The reversal of 396615 is 516693.

It is a happy number.

It is not a de Polignac number, because 396615 - 2⁹ = 396103 is a prime.

396615 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396619) 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, 1959 + ... + 2151.

It is an arithmetic number, because the mean of its divisors is an integer number (40158).

2³⁹⁶⁶¹⁵ is an apocalyptic number.

396615 is a deficient number, since it is larger than the sum of its proper divisors (245913).

396615 is a wasteful number, since it uses less digits than its factorization.

396615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338.

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

The square root of 396615 is about 629.7737689044. The cubic root of 396615 is about 73.4722001396.

The spelling of 396615 in words is "three hundred ninety-six thousand, six hundred fifteen".