2372440 has 64 divisors (see below), whose sum is σ = 6292800. Its totient is φ = 787968.

The previous prime is 2372437. The next prime is 2372441. The reversal of 2372440 is 442732.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2372441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10246 + ... + 10474.

It is an arithmetic number, because the mean of its divisors is an integer number (98325).

2^2372440 is an apocalyptic number.

2372440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2372440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3146400).

2372440 is an abundant number, since it is smaller than the sum of its proper divisors (3920360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2372440 is a wasteful number, since it uses less digits than its factorization.

2372440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 2372440 is about 1540.2727031276. The cubic root of 2372440 is about 133.3721276003.

The spelling of 2372440 in words is "two million, three hundred seventy-two thousand, four hundred forty".