2642458 has 16 divisors (see below), whose sum is σ = 4878720. Its totient is φ = 1045296.

The previous prime is 2642449. The next prime is 2642473. The reversal of 2642458 is 8542462.

2642458 is nontrivially palindromic in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7078 + ... + 7441.

It is an arithmetic number, because the mean of its divisors is an integer number (304920).

2^2642458 is an apocalyptic number.

2642458 is a deficient number, since it is larger than the sum of its proper divisors (2236262).

2642458 is a wasteful number, since it uses less digits than its factorization.

2642458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14541.

The product of its digits is 15360, while the sum is 31.

The square root of 2642458 is about 1625.5639021583. The cubic root of 2642458 is about 138.2513447806.

The spelling of 2642458 in words is "two million, six hundred forty-two thousand, four hundred fifty-eight".