1397623104 has 84 divisors (see below), whose sum is σ = 4016288640. Its totient is φ = 464682240.

The previous prime is 1397623081. The next prime is 1397623133. The reversal of 1397623104 is 4013267931.

1397623104 is a `hidden beast` number, since 13 + 9 + 7 + 623 + 10 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238449 + ... + 244239.

It is an arithmetic number, because the mean of its divisors is an integer number (47812960).

Almost surely, 2^1397623104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1397623104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2008144320).

1397623104 is an abundant number, since it is smaller than the sum of its proper divisors (2618665536).

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

1397623104 is a wasteful number, since it uses less digits than its factorization.

1397623104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6228 (or 6215 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 1397623104 is about 37384.7977659369. The cubic root of 1397623104 is about 1118.0554864866.

The spelling of 1397623104 in words is "one billion, three hundred ninety-seven million, six hundred twenty-three thousand, one hundred four".