1396744460 has 24 divisors (see below), whose sum is σ = 3060693216. Its totient is φ = 534406400.

The previous prime is 1396744451. The next prime is 1396744471. The reversal of 1396744460 is 644476931.

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, 1517741 + ... + 1518660.

It is an arithmetic number, because the mean of its divisors is an integer number (127528884).

Almost surely, 2^1396744460 is an apocalyptic number.

1396744460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1396744460 is an abundant number, since it is smaller than the sum of its proper divisors (1663948756).

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

1396744460 is a wasteful number, since it uses less digits than its factorization.

1396744460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036433 (or 3036431 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 44.

The square root of 1396744460 is about 37373.0445642310. The cubic root of 1396744460 is about 1117.8211413147.

The spelling of 1396744460 in words is "one billion, three hundred ninety-six million, seven hundred forty-four thousand, four hundred sixty".