3149456 has 20 divisors (see below), whose sum is σ = 6252204. Its totient is φ = 1536000.

The previous prime is 3149441. The next prime is 3149467. The reversal of 3149456 is 6549413.

It can be written as a sum of positive squares in 2 ways, for example, as 839056 + 2310400 = 916^2 + 1520^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1745 + ... + 3056.

Almost surely, 2^3149456 is an apocalyptic number.

It is an amenable number.

3149456 is a deficient number, since it is larger than the sum of its proper divisors (3102748).

3149456 is a wasteful number, since it uses less digits than its factorization.

3149456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4850 (or 4844 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 3149456 is about 1774.6706736744. The cubic root of 3149456 is about 146.5812817980.

The spelling of 3149456 in words is "three million, one hundred forty-nine thousand, four hundred fifty-six".