1396815504 has 40 divisors (see below), whose sum is σ = 4123932480. Its totient is φ = 399090048.

The previous prime is 1396815467. The next prime is 1396815521. The reversal of 1396815504 is 4055186931.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2078259 + ... + 2078930.

It is an arithmetic number, because the mean of its divisors is an integer number (103098312).

Almost surely, 2^1396815504 is an apocalyptic number.

1396815504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1396815504 is an abundant number, since it is smaller than the sum of its proper divisors (2727116976).

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

1396815504 is a wasteful number, since it uses less digits than its factorization.

1396815504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4157207 (or 4157201 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 1396815504 is about 37373.9950232779. The cubic root of 1396815504 is about 1117.8400932755.

The spelling of 1396815504 in words is "one billion, three hundred ninety-six million, eight hundred fifteen thousand, five hundred four".