2621284 has 24 divisors (see below), whose sum is σ = 4773888. Its totient is φ = 1258560.

The previous prime is 2621279. The next prime is 2621303. The reversal of 2621284 is 4821262.

It is a happy number.

It is a super-2 number, since 2×2621284² = 13742259617312, which contains 22 as substring.

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, 13629 + ... + 13819.

It is an arithmetic number, because the mean of its divisors is an integer number (198912).

2^2621284 is an apocalyptic number.

It is an amenable number.

2621284 is a deficient number, since it is larger than the sum of its proper divisors (2152604).

2621284 is a wasteful number, since it uses less digits than its factorization.

2621284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 313 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 2621284 is about 1619.0379859657. The cubic root of 2621284 is about 137.8810849856.

The spelling of 2621284 in words is "two million, six hundred twenty-one thousand, two hundred eighty-four".