2658874 has 4 divisors (see below), whose sum is σ = 3988314. Its totient is φ = 1329436.

The previous prime is 2658871. The next prime is 2658881. The reversal of 2658874 is 4788562.

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

It can be written as a sum of positive squares in only one way, i.e., 1708249 + 950625 = 1307^2 + 975^2 .

It is a super-2 number, since 2×2658874² = 14139221895752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2658871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664717 + ... + 664720.

2^2658874 is an apocalyptic number.

2658874 is a deficient number, since it is larger than the sum of its proper divisors (1329440).

2658874 is a wasteful number, since it uses less digits than its factorization.

2658874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329439.

The product of its digits is 107520, while the sum is 40.

The square root of 2658874 is about 1630.6054090429. The cubic root of 2658874 is about 138.5370447463.

It can be divided in two parts, 26588 and 74, that added together give a palindrome (26662).

The spelling of 2658874 in words is "two million, six hundred fifty-eight thousand, eight hundred seventy-four".