1397102446 has 16 divisors (see below), whose sum is σ = 2122656480. Its totient is φ = 689587200.

The previous prime is 1397102423. The next prime is 1397102453. The reversal of 1397102446 is 6442017931.

It is a congruent number.

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, 68815 + ... + 86773.

It is an arithmetic number, because the mean of its divisors is an integer number (132666030).

Almost surely, 2^1397102446 is an apocalyptic number.

1397102446 is a deficient number, since it is larger than the sum of its proper divisors (725554034).

1397102446 is a wasteful number, since it uses less digits than its factorization.

1397102446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18459.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 1397102446 is about 37377.8336183359. The cubic root of 1397102446 is about 1117.9166324485.

The spelling of 1397102446 in words is "one billion, three hundred ninety-seven million, one hundred two thousand, four hundred forty-six".