1375804 has 6 divisors (see below), whose sum is σ = 2407664. Its totient is φ = 687900.

The previous prime is 1375799. The next prime is 1375807. The reversal of 1375804 is 4085731.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375807) 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 as a sum of consecutive naturals, namely, 171972 + ... + 171979.

2^1375804 is an apocalyptic number.

It is an amenable number.

1375804 is a deficient number, since it is larger than the sum of its proper divisors (1031860).

1375804 is a wasteful number, since it uses less digits than its factorization.

1375804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343955 (or 343953 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 1375804 is about 1172.9467166074. The cubic root of 1375804 is about 111.2206740023.

The spelling of 1375804 in words is "one million, three hundred seventy-five thousand, eight hundred four".