2590438 has 4 divisors (see below), whose sum is σ = 3885660. Its totient is φ = 1295218.

The previous prime is 2590433. The next prime is 2590439. The reversal of 2590438 is 8340952.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2590433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 647608 + ... + 647611.

It is an arithmetic number, because the mean of its divisors is an integer number (971415).

2^2590438 is an apocalyptic number.

2590438 is a deficient number, since it is larger than the sum of its proper divisors (1295222).

2590438 is a wasteful number, since it uses less digits than its factorization.

2590438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295221.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2590438 is about 1609.4837681692. The cubic root of 2590438 is about 137.3381102956.

The spelling of 2590438 in words is "two million, five hundred ninety thousand, four hundred thirty-eight".