1375404 has 12 divisors (see below), whose sum is σ = 3209304. Its totient is φ = 458464.

The previous prime is 1375379. The next prime is 1375411. The reversal of 1375404 is 4045731.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57297 + ... + 57320.

It is an arithmetic number, because the mean of its divisors is an integer number (267442).

2^1375404 is an apocalyptic number.

It is an amenable number.

1375404 is an abundant number, since it is smaller than the sum of its proper divisors (1833900).

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

1375404 is a wasteful number, since it uses less digits than its factorization.

1375404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114624 (or 114622 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 1375404 is about 1172.7761934828. The cubic root of 1375404 is about 111.2098942251.

The spelling of 1375404 in words is "one million, three hundred seventy-five thousand, four hundred four".