2560428 has 36 divisors (see below), whose sum is σ = 6971328. Its totient is φ = 787680.

The previous prime is 2560427. The next prime is 2560433. The reversal of 2560428 is 8240652.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (2560427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2268 + ... + 3203.

It is an arithmetic number, because the mean of its divisors is an integer number (193648).

2^2560428 is an apocalyptic number.

It is an amenable number.

2560428 is an abundant number, since it is smaller than the sum of its proper divisors (4410900).

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

2560428 is a wasteful number, since it uses less digits than its factorization.

2560428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5494 (or 5489 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2560428 is about 1600.1337444101. The cubic root of 2560428 is about 136.8056989521.

The spelling of 2560428 in words is "two million, five hundred sixty thousand, four hundred twenty-eight".