2621426 has 8 divisors (see below), whose sum is σ = 4067820. Its totient is φ = 1265488.

The previous prime is 2621387. The next prime is 2621431. The reversal of 2621426 is 6241262.

It can be written as a sum of positive squares in 2 ways, for example, as 2418025 + 203401 = 1555^2 + 451^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22541 + ... + 22656.

2^2621426 is an apocalyptic number.

2621426 is a deficient number, since it is larger than the sum of its proper divisors (1446394).

2621426 is a wasteful number, since it uses less digits than its factorization.

2621426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45228.

The product of its digits is 1152, while the sum is 23.

The square root of 2621426 is about 1619.0818385739. The cubic root of 2621426 is about 137.8835747019.

Adding to 2621426 its reverse (6241262), we get a palindrome (8862688).

The spelling of 2621426 in words is "two million, six hundred twenty-one thousand, four hundred twenty-six".