2598240 has 48 divisors (see below), whose sum is σ = 8185968. Its totient is φ = 692736.

The previous prime is 2598217. The next prime is 2598247. The reversal of 2598240 is 428952.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2598198 and 2598207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2598247) 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, 2227 + ... + 3186.

It is an arithmetic number, because the mean of its divisors is an integer number (170541).

2^2598240 is an apocalyptic number.

2598240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2598240 is an abundant number, since it is smaller than the sum of its proper divisors (5587728).

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

2598240 is a wasteful number, since it uses less digits than its factorization.

2598240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5431 (or 5423 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2598240 is about 1611.9057044381. The cubic root of 2598240 is about 137.4758525088.

The spelling of 2598240 in words is "two million, five hundred ninety-eight thousand, two hundred forty".