1376889404 has 24 divisors (see below), whose sum is σ = 2629745328. Its totient is φ = 625587840.

The previous prime is 1376889403. The next prime is 1376889413. The reversal of 1376889404 is 4049886731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1376889401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124634 + ... + 135230.

It is an arithmetic number, because the mean of its divisors is an integer number (109572722).

Almost surely, 2^1376889404 is an apocalyptic number.

It is an amenable number.

1376889404 is a deficient number, since it is larger than the sum of its proper divisors (1252855924).

1376889404 is a wasteful number, since it uses less digits than its factorization.

1376889404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13565 (or 13563 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 1376889404 is about 37106.4604078589. The cubic root of 1376889404 is about 1112.4991451241.

The spelling of 1376889404 in words is "one billion, three hundred seventy-six million, eight hundred eighty-nine thousand, four hundred four".