2257938 has 12 divisors (see below), whose sum is σ = 4892238. Its totient is φ = 752640.

The previous prime is 2257909. The next prime is 2257939. The reversal of 2257938 is 8397522.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2169729 + 88209 = 1473^2 + 297^2 .

It is a d-powerful number, because it can be written as 2 + 2¹⁷ + 5⁵ + 7³ + 9⁴ + 3⁹ + 8⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257939) 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, 62703 + ... + 62738.

2^2257938 is an apocalyptic number.

2257938 is an abundant number, since it is smaller than the sum of its proper divisors (2634300).

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

2257938 is a wasteful number, since it uses less digits than its factorization.

2257938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125449 (or 125446 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 2257938 is about 1502.6436703357. The cubic root of 2257938 is about 131.1909884377.

The spelling of 2257938 in words is "two million, two hundred fifty-seven thousand, nine hundred thirty-eight".