1396715408 has 40 divisors (see below), whose sum is σ = 2993754816. Its totient is φ = 625923200.

The previous prime is 1396715381. The next prime is 1396715459. The reversal of 1396715408 is 8045176931.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 43391 + ... + 68382.

Almost surely, 2^1396715408 is an apocalyptic number.

It is an amenable number.

1396715408 is an abundant number, since it is smaller than the sum of its proper divisors (1597039408).

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

1396715408 is a wasteful number, since it uses less digits than its factorization.

1396715408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111863 (or 111857 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 1396715408 is about 37372.6558863563. The cubic root of 1396715408 is about 1117.8133911103.

The spelling of 1396715408 in words is "one billion, three hundred ninety-six million, seven hundred fifteen thousand, four hundred eight".