2624921 has 8 divisors (see below), whose sum is σ = 2950080. Its totient is φ = 2317392.

The previous prime is 2624911. The next prime is 2624927. The reversal of 2624921 is 1294262.

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

It is a cyclic number.

It is not a de Polignac number, because 2624921 - 2⁶ = 2624857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2624927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4091 + ... + 4688.

It is an arithmetic number, because the mean of its divisors is an integer number (368760).

2^2624921 is an apocalyptic number.

It is an amenable number.

2624921 is a deficient number, since it is larger than the sum of its proper divisors (325159).

2624921 is a wasteful number, since it uses less digits than its factorization.

2624921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8815.

The product of its digits is 1728, while the sum is 26.

The square root of 2624921 is about 1620.1607944892. The cubic root of 2624921 is about 137.9448249638.

The spelling of 2624921 in words is "two million, six hundred twenty-four thousand, nine hundred twenty-one".