2368621 has 4 divisors (see below), whose sum is σ = 2375100. Its totient is φ = 2362144.

The previous prime is 2368603. The next prime is 2368637. The reversal of 2368621 is 1268632.

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

It can be written as a sum of positive squares in 2 ways, for example, as 546121 + 1822500 = 739^2 + 1350^2 .

It is a cyclic number.

It is not a de Polignac number, because 2368621 - 2⁵ = 2368589 is a prime.

It is a super-2 number, since 2×2368621² = 11220730883282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2368621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2368601) 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, 2656 + ... + 3433.

It is an arithmetic number, because the mean of its divisors is an integer number (593775).

2^2368621 is an apocalyptic number.

It is an amenable number.

2368621 is a deficient number, since it is larger than the sum of its proper divisors (6479).

2368621 is an equidigital number, since it uses as much as digits as its factorization.

2368621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6478.

The product of its digits is 3456, while the sum is 28.

The square root of 2368621 is about 1539.0324882861. The cubic root of 2368621 is about 133.3005245664.

It can be divided in two parts, 23 and 68621, that added together give a square (68644 = 262²).

The spelling of 2368621 in words is "two million, three hundred sixty-eight thousand, six hundred twenty-one".