1376993884 has 18 divisors (see below), whose sum is σ = 2803166520. Its totient is φ = 590140152.

The previous prime is 1376993857. The next prime is 1376993927. The reversal of 1376993884 is 4883996731.

It is a super-2 number, since 2×1376993884² = 3792224313146810912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3512544 + ... + 3512935.

Almost surely, 2^1376993884 is an apocalyptic number.

1376993884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1376993884 is an abundant number, since it is smaller than the sum of its proper divisors (1426172636).

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

1376993884 is a wasteful number, since it uses less digits than its factorization.

1376993884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7025497 (or 7025488 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 58.

The square root of 1376993884 is about 37107.8682222517. The cubic root of 1376993884 is about 1112.5272836637.

The spelling of 1376993884 in words is "one billion, three hundred seventy-six million, nine hundred ninety-three thousand, eight hundred eighty-four".