3149285 has 4 divisors (see below), whose sum is σ = 3779148. Its totient is φ = 2519424.

The previous prime is 3149273. The next prime is 3149309. The reversal of 3149285 is 5829413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1214404 + 1934881 = 1102^2 + 1391^2 .

It is a cyclic number.

It is not a de Polignac number, because 3149285 - 2⁶ = 3149221 is a prime.

It is a super-2 number, since 2×3149285² = 19835992022450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314924 + ... + 314933.

It is an arithmetic number, because the mean of its divisors is an integer number (944787).

Almost surely, 2^3149285 is an apocalyptic number.

It is an amenable number.

3149285 is a deficient number, since it is larger than the sum of its proper divisors (629863).

3149285 is an equidigital number, since it uses as much as digits as its factorization.

3149285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629862.

The product of its digits is 8640, while the sum is 32.

The square root of 3149285 is about 1774.6224950676. The cubic root of 3149285 is about 146.5786288686.

The spelling of 3149285 in words is "three million, one hundred forty-nine thousand, two hundred eighty-five".