3256490 has 16 divisors (see below), whose sum is σ = 5906952. Its totient is φ = 1292544.

The previous prime is 3256483. The next prime is 3256499. The reversal of 3256490 is 946523.

It can be written as a sum of positive squares in 4 ways, for example, as 2582449 + 674041 = 1607^2 + 821^2 .

It is not an unprimeable number, because it can be changed into a prime (3256499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182 + ... + 2558.

Almost surely, 2^3256490 is an apocalyptic number.

3256490 is a deficient number, since it is larger than the sum of its proper divisors (2650462).

3256490 is a wasteful number, since it uses less digits than its factorization.

3256490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 3256490 is about 1804.5747421484. The cubic root of 3256490 is about 148.2233358083.

The spelling of 3256490 in words is "three million, two hundred fifty-six thousand, four hundred ninety".