2257434 has 24 divisors (see below), whose sum is σ = 4953312. Its totient is φ = 742920.

The previous prime is 2257403. The next prime is 2257439. The reversal of 2257434 is 4347522.

2257434 is a `hidden beast` number, since 225 + 7 + 434 = 666.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2257398 and 2257407.

It is not an unprimeable number, because it can be changed into a prime (2257439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 739 + ... + 2249.

It is an arithmetic number, because the mean of its divisors is an integer number (206388).

2^2257434 is an apocalyptic number.

2257434 is an abundant number, since it is smaller than the sum of its proper divisors (2695878).

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

2257434 is a wasteful number, since it uses less digits than its factorization.

2257434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602 (or 1599 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 2257434 is about 1502.4759565464. The cubic root of 2257434 is about 131.1812265549.

The spelling of 2257434 in words is "two million, two hundred fifty-seven thousand, four hundred thirty-four".