2599420 has 12 divisors (see below), whose sum is σ = 5458824. Its totient is φ = 1039760.

The previous prime is 2599403. The next prime is 2599427. The reversal of 2599420 is 249952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2599427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64966 + ... + 65005.

It is an arithmetic number, because the mean of its divisors is an integer number (454902).

2^2599420 is an apocalyptic number.

2599420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2599420 is an abundant number, since it is smaller than the sum of its proper divisors (2859404).

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

2599420 is a wasteful number, since it uses less digits than its factorization.

2599420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129980 (or 129978 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 2599420 is about 1612.2716892633. The cubic root of 2599420 is about 137.4966610759.

The spelling of 2599420 in words is "two million, five hundred ninety-nine thousand, four hundred twenty".