1397288104 has 32 divisors (see below), whose sum is σ = 2654467200. Its totient is φ = 689472000.

The previous prime is 1397288099. The next prime is 1397288129. The reversal of 1397288104 is 4018827931.

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, 291729 + ... + 296479.

It is an arithmetic number, because the mean of its divisors is an integer number (82952100).

Almost surely, 2^1397288104 is an apocalyptic number.

It is an amenable number.

1397288104 is a deficient number, since it is larger than the sum of its proper divisors (1257179096).

1397288104 is a wasteful number, since it uses less digits than its factorization.

1397288104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5233 (or 5229 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 1397288104 is about 37380.3170666061. The cubic root of 1397288104 is about 1117.9661494504.

The spelling of 1397288104 in words is "one billion, three hundred ninety-seven million, two hundred eighty-eight thousand, one hundred four".