1373604 has 12 divisors (see below), whose sum is σ = 3205104. Its totient is φ = 457864.

The previous prime is 1373591. The next prime is 1373611. The reversal of 1373604 is 4063731.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57222 + ... + 57245.

It is an arithmetic number, because the mean of its divisors is an integer number (267092).

2^1373604 is an apocalyptic number.

It is an amenable number.

1373604 is an abundant number, since it is smaller than the sum of its proper divisors (1831500).

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

1373604 is a wasteful number, since it uses less digits than its factorization.

1373604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114474 (or 114472 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 1373604 is about 1172.0085323921. The cubic root of 1373604 is about 111.1613593467.

It can be divided in two parts, 137 and 3604, that added together give a triangular number (3741 = T₈₆).

The spelling of 1373604 in words is "one million, three hundred seventy-three thousand, six hundred four".