2626404 has 48 divisors (see below), whose sum is σ = 6785856. Its totient is φ = 784000.

The previous prime is 2626399. The next prime is 2626433. The reversal of 2626404 is 4046262.

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, 13234 + ... + 13430.

It is an arithmetic number, because the mean of its divisors is an integer number (141372).

2^2626404 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 2626404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3392928).

2626404 is an abundant number, since it is smaller than the sum of its proper divisors (4159452).

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

2626404 is a wasteful number, since it uses less digits than its factorization.

2626404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2626404 is about 1620.6184004879. The cubic root of 2626404 is about 137.9707982740.

It can be divided in two parts, 262 and 6404, that added together give a palindrome (6666).

The spelling of 2626404 in words is "two million, six hundred twenty-six thousand, four hundred four".