1397906610 has 16 divisors (see below), whose sum is σ = 3354975936. Its totient is φ = 372775088.

The previous prime is 1397906593. The next prime is 1397906623. The reversal of 1397906610 is 166097931.

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, 23298414 + ... + 23298473.

It is an arithmetic number, because the mean of its divisors is an integer number (209685996).

Almost surely, 2^1397906610 is an apocalyptic number.

1397906610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1397906610 is an abundant number, since it is smaller than the sum of its proper divisors (1957069326).

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

1397906610 is a wasteful number, since it uses less digits than its factorization.

1397906610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46596897.

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 1397906610 is about 37388.5893020852. The cubic root of 1397906610 is about 1118.1310800682.

The spelling of 1397906610 in words is "one billion, three hundred ninety-seven million, nine hundred six thousand, six hundred ten".