2639374 has 4 divisors (see below), whose sum is σ = 3959064. Its totient is φ = 1319686.

The previous prime is 2639353. The next prime is 2639389. The reversal of 2639374 is 4739362.

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

It is a super-2 number, since 2×2639374² = 13932590223752, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2²¹ + 6⁷ + 3 + 9 + 3⁴ + 7² + 4⁹ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659842 + ... + 659845.

It is an arithmetic number, because the mean of its divisors is an integer number (989766).

2^2639374 is an apocalyptic number.

2639374 is a deficient number, since it is larger than the sum of its proper divisors (1319690).

2639374 is a wasteful number, since it uses less digits than its factorization.

2639374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319689.

The product of its digits is 27216, while the sum is 34.

The square root of 2639374 is about 1624.6150313228. The cubic root of 2639374 is about 138.1975396838.

The spelling of 2639374 in words is "two million, six hundred thirty-nine thousand, three hundred seventy-four".