396503615 has 8 divisors (see below), whose sum is σ = 475916688. Its totient is φ = 317128000.

The previous prime is 396503603. The next prime is 396503651. The reversal of 396503615 is 516305693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 396503615 - 2⁶ = 396503551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26240 + ... + 38490.

It is an arithmetic number, because the mean of its divisors is an integer number (59489586).

Almost surely, 2^396503615 is an apocalyptic number.

396503615 is a deficient number, since it is larger than the sum of its proper divisors (79413073).

396503615 is a wasteful number, since it uses less digits than its factorization.

396503615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18729.

The product of its (nonzero) digits is 72900, while the sum is 38.

The square root of 396503615 is about 19912.3985245374. The cubic root of 396503615 is about 734.6532154006.

The spelling of 396503615 in words is "three hundred ninety-six million, five hundred three thousand, six hundred fifteen".