2564958 has 24 divisors (see below), whose sum is σ = 5640264. Its totient is φ = 777040.

The previous prime is 2564957. The next prime is 2564999. The reversal of 2564958 is 8594652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564957) 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, 1041 + ... + 2492.

It is an arithmetic number, because the mean of its divisors is an integer number (235011).

2^2564958 is an apocalyptic number.

2564958 is an abundant number, since it is smaller than the sum of its proper divisors (3075306).

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

2564958 is a wasteful number, since it uses less digits than its factorization.

2564958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3560 (or 3549 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 2564958 is about 1601.5486255497. The cubic root of 2564958 is about 136.8863319156.

The spelling of 2564958 in words is "two million, five hundred sixty-four thousand, nine hundred fifty-eight".