1397424344 has 32 divisors (see below), whose sum is σ = 2792011680. Its totient is φ = 653412864.

The previous prime is 1397424337. The next prime is 1397424349. The reversal of 1397424344 is 4434247931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397424349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11372 + ... + 54075.

It is an arithmetic number, because the mean of its divisors is an integer number (87250365).

Almost surely, 2^1397424344 is an apocalyptic number.

It is an amenable number.

1397424344 is a deficient number, since it is larger than the sum of its proper divisors (1394587336).

1397424344 is a wasteful number, since it uses less digits than its factorization.

1397424344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65627 (or 65623 counting only the distinct ones).

The product of its digits is 290304, while the sum is 41.

The square root of 1397424344 is about 37382.1393716304. The cubic root of 1397424344 is about 1118.0024833455.

The spelling of 1397424344 in words is "one billion, three hundred ninety-seven million, four hundred twenty-four thousand, three hundred forty-four".