2602404 has 72 divisors (see below), whose sum is σ = 7862400. Its totient is φ = 709632.

The previous prime is 2602399. The next prime is 2602417. The reversal of 2602404 is 4042062.

2602404 is a `hidden beast` number, since 260 + 2 + 404 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5572 + ... + 6020.

It is an arithmetic number, because the mean of its divisors is an integer number (109200).

2^2602404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2602404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3931200).

2602404 is an abundant number, since it is smaller than the sum of its proper divisors (5259996).

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

2602404 is a wasteful number, since it uses less digits than its factorization.

2602404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2602404 is about 1613.1968261809. The cubic root of 2602404 is about 137.5492539799.

Adding to 2602404 its reverse (4042062), we get a palindrome (6644466).

The spelling of 2602404 in words is "two million, six hundred two thousand, four hundred four".