2257929 has 16 divisors (see below), whose sum is σ = 3368640. Its totient is φ = 1494720.

The previous prime is 2257909. The next prime is 2257939. The reversal of 2257929 is 9297522.

It is not a de Polignac number, because 2257929 - 2¹² = 2253833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2257893 and 2257902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257909) 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, 6334 + ... + 6680.

It is an arithmetic number, because the mean of its divisors is an integer number (210540).

2^2257929 is an apocalyptic number.

It is an amenable number.

2257929 is a deficient number, since it is larger than the sum of its proper divisors (1110711).

2257929 is a wasteful number, since it uses less digits than its factorization.

2257929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 591 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 2257929 is about 1502.6406756108. The cubic root of 2257929 is about 131.1908141311.

The spelling of 2257929 in words is "two million, two hundred fifty-seven thousand, nine hundred twenty-nine".