2373940 has 24 divisors (see below), whose sum is σ = 5158440. Its totient is φ = 916608.

The previous prime is 2373929. The next prime is 2373947. The reversal of 2373940 is 493732.

It can be written as a sum of positive squares in 4 ways, for example, as 195364 + 2178576 = 442^2 + 1476^2 .

It is a super-2 number, since 2×2373940² = 11271182247200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2373899 and 2373908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2373947) 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, 1467 + ... + 2626.

It is an arithmetic number, because the mean of its divisors is an integer number (214935).

2^2373940 is an apocalyptic number.

2373940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2373940 is an abundant number, since it is smaller than the sum of its proper divisors (2784500).

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

2373940 is a wasteful number, since it uses less digits than its factorization.

2373940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4131 (or 4129 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 2373940 is about 1540.7595529478. The cubic root of 2373940 is about 133.4002303192.

The spelling of 2373940 in words is "two million, three hundred seventy-three thousand, nine hundred forty".