1392604 has 12 divisors (see below), whose sum is σ = 2543184. Its totient is φ = 665984.

The previous prime is 1392557. The next prime is 1392607. The reversal of 1392604 is 4062931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1392607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7477 + ... + 7660.

It is an arithmetic number, because the mean of its divisors is an integer number (211932).

2^1392604 is an apocalyptic number.

It is an amenable number.

1392604 is a deficient number, since it is larger than the sum of its proper divisors (1150580).

1392604 is a wasteful number, since it uses less digits than its factorization.

1392604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15164 (or 15162 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1392604 is about 1180.0864375121. The cubic root of 1392604 is about 111.6715504906.

It can be divided in two parts, 139260 and 4, that multiplied together give a triangular number (557040 = T₁₀₅₅).

The spelling of 1392604 in words is "one million, three hundred ninety-two thousand, six hundred four".