2624397 has 4 divisors (see below), whose sum is σ = 3499200. Its totient is φ = 1749596.

The previous prime is 2624387. The next prime is 2624411. The reversal of 2624397 is 7934262.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2624397 - 2⁴ = 2624381 is a prime.

It is a super-2 number, since 2×2624397² = 13774919227218, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁹ + 6³ + 2²¹ + 4² + 3⁵ + 9² + 7⁴ .

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2624317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437397 + ... + 437402.

It is an arithmetic number, because the mean of its divisors is an integer number (874800).

2^2624397 is an apocalyptic number.

It is an amenable number.

2624397 is a deficient number, since it is larger than the sum of its proper divisors (874803).

2624397 is an equidigital number, since it uses as much as digits as its factorization.

2624397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874802.

The product of its digits is 18144, while the sum is 33.

The square root of 2624397 is about 1619.9990740738. Note that the first 3 decimals coincide. The cubic root of 2624397 is about 137.9356452719.

The spelling of 2624397 in words is "two million, six hundred twenty-four thousand, three hundred ninety-seven".