3040257 has 16 divisors (see below), whose sum is σ = 4455360. Its totient is φ = 1828800.

The previous prime is 3040249. The next prime is 3040267. The reversal of 3040257 is 7520403.

It is a happy number.

It is not a de Polignac number, because 3040257 - 2³ = 3040249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3040217) 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, 5719 + ... + 6227.

It is an arithmetic number, because the mean of its divisors is an integer number (278460).

Almost surely, 2^3040257 is an apocalyptic number.

It is an amenable number.

3040257 is a deficient number, since it is larger than the sum of its proper divisors (1415103).

3040257 is a wasteful number, since it uses less digits than its factorization.

3040257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 3040257 is about 1743.6332756632. The cubic root of 3040257 is about 144.8672109714.

The spelling of 3040257 in words is "three million, forty thousand, two hundred fifty-seven".