2237904 has 30 divisors (see below), whose sum is σ = 6263426. Its totient is φ = 745920.

The previous prime is 2237899. The next prime is 2237909. The reversal of 2237904 is 4097322.

It is an interprime number because it is at equal distance from previous prime (2237899) and next prime (2237909).

It can be written as a sum of positive squares in only one way, i.e., 2108304 + 129600 = 1452^2 + 360^2 .

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2237909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7627 + ... + 7914.

2^2237904 is an apocalyptic number.

2237904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2237904 is an abundant number, since it is smaller than the sum of its proper divisors (4025522).

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

2237904 is a wasteful number, since it uses less digits than its factorization.

2237904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15555 (or 15546 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2237904 is about 1495.9625663766. The cubic root of 2237904 is about 130.8018292256.

The spelling of 2237904 in words is "two million, two hundred thirty-seven thousand, nine hundred four".