2930257 has 12 divisors (see below), whose sum is σ = 3281908. Its totient is φ = 2613600.

The previous prime is 2930243. The next prime is 2930261. The reversal of 2930257 is 7520392.

2930257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 853776 + 2076481 = 924^2 + 1441^2 .

It is not a de Polignac number, because 2930257 - 2¹¹ = 2928209 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

2930257 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2930267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7183 + ... + 7579.

2^2930257 is an apocalyptic number.

It is an amenable number.

2930257 is a deficient number, since it is larger than the sum of its proper divisors (351651).

2930257 is a wasteful number, since it uses less digits than its factorization.

2930257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 2930257 is about 1711.7993457178. The cubic root of 2930257 is about 143.0985513951.

The spelling of 2930257 in words is "two million, nine hundred thirty thousand, two hundred fifty-seven".