2257038 has 48 divisors (see below), whose sum is σ = 5841360. Its totient is φ = 644112.

The previous prime is 2257007. The next prime is 2257049. The reversal of 2257038 is 8307522.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2220 + ... + 3072.

It is an arithmetic number, because the mean of its divisors is an integer number (121695).

2^2257038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2257038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2920680).

2257038 is an abundant number, since it is smaller than the sum of its proper divisors (3584322).

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

2257038 is a wasteful number, since it uses less digits than its factorization.

2257038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878 (or 865 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2257038 is about 1502.3441682917. The cubic root of 2257038 is about 131.1735554847.

The spelling of 2257038 in words is "two million, two hundred fifty-seven thousand, thirty-eight".