1604760 has 64 divisors (see below), whose sum is σ = 4942080. Its totient is φ = 416640.

The previous prime is 1604753. The next prime is 1604809. The reversal of 1604760 is 674061.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1604760.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5005 + ... + 5315.

It is an arithmetic number, because the mean of its divisors is an integer number (77220).

2^1604760 is an apocalyptic number.

1604760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1604760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2471040).

1604760 is an abundant number, since it is smaller than the sum of its proper divisors (3337320).

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

1604760 is a wasteful number, since it uses less digits than its factorization.

1604760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 1604760 is about 1266.7912219462. The cubic root of 1604760 is about 117.0765807357.

Subtracting from 1604760 its sum of digits (24), we obtain a triangular number (1604736 = T₁₇₉₁).

The spelling of 1604760 in words is "one million, six hundred four thousand, seven hundred sixty".