2604765 has 8 divisors (see below), whose sum is σ = 4167648. Its totient is φ = 1389200.

The previous prime is 2604743. The next prime is 2604769. The reversal of 2604765 is 5674062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2604765 - 2⁵ = 2604733 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2604769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86811 + ... + 86840.

It is an arithmetic number, because the mean of its divisors is an integer number (520956).

2^2604765 is an apocalyptic number.

It is an amenable number.

2604765 is a deficient number, since it is larger than the sum of its proper divisors (1562883).

2604765 is a wasteful number, since it uses less digits than its factorization.

2604765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173659.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 2604765 is about 1613.9284370752. The cubic root of 2604765 is about 137.5908380471.

The spelling of 2604765 in words is "two million, six hundred four thousand, seven hundred sixty-five".