2645442 has 48 divisors (see below), whose sum is σ = 6065280. Its totient is φ = 832416.

The previous prime is 2645431. The next prime is 2645453. The reversal of 2645442 is 2445462.

It is an interprime number because it is at equal distance from previous prime (2645431) and next prime (2645453).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44809 + ... + 44867.

It is an arithmetic number, because the mean of its divisors is an integer number (126360).

2^2645442 is an apocalyptic number.

2645442 is an abundant number, since it is smaller than the sum of its proper divisors (3419838).

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

2645442 is a wasteful number, since it uses less digits than its factorization.

2645442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 164 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 2645442 is about 1626.4814785297. The cubic root of 2645442 is about 138.3033653894.

The spelling of 2645442 in words is "two million, six hundred forty-five thousand, four hundred forty-two".