1604079 has 6 divisors (see below), whose sum is σ = 2317016. Its totient is φ = 1069380.

The previous prime is 1604059. The next prime is 1604081. The reversal of 1604079 is 9704061.

It is not a de Polignac number, because 1604079 - 2¹³ = 1595887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89107 + ... + 89124.

2^1604079 is an apocalyptic number.

1604079 is a deficient number, since it is larger than the sum of its proper divisors (712937).

1604079 is a wasteful number, since it uses less digits than its factorization.

1604079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178237 (or 178234 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1604079 is about 1266.5224040656. The cubic root of 1604079 is about 117.0600174215.

The spelling of 1604079 in words is "one million, six hundred four thousand, seventy-nine".