2373631 has 4 divisors (see below), whose sum is σ = 2556232. Its totient is φ = 2191032.

The previous prime is 2373611. The next prime is 2373649. The reversal of 2373631 is 1363732.

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

It is a cyclic number.

It is not a de Polignac number, because 2373631 - 2¹³ = 2365439 is a prime.

It is a super-2 number, since 2×2373631² = 11268248248322, which contains 22 as substring.

It is a Duffinian number.

2373631 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2373596 and 2373605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2373611) 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, 91281 + ... + 91306.

It is an arithmetic number, because the mean of its divisors is an integer number (639058).

2^2373631 is an apocalyptic number.

2373631 is the 890-th hex number.

2373631 is a deficient number, since it is larger than the sum of its proper divisors (182601).

2373631 is a wasteful number, since it uses less digits than its factorization.

2373631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182600.

The product of its digits is 2268, while the sum is 25.

The square root of 2373631 is about 1540.6592744666. The cubic root of 2373631 is about 133.3944421275.

The spelling of 2373631 in words is "two million, three hundred seventy-three thousand, six hundred thirty-one".