3149556 has 24 divisors (see below), whose sum is σ = 7781760. Its totient is φ = 988032.

The previous prime is 3149543. The next prime is 3149557. The reversal of 3149556 is 6559413.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3149557) 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, 7516 + ... + 7923.

It is an arithmetic number, because the mean of its divisors is an integer number (324240).

Almost surely, 2^3149556 is an apocalyptic number.

It is an amenable number.

3149556 is an abundant number, since it is smaller than the sum of its proper divisors (4632204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3149556 is a wasteful number, since it uses less digits than its factorization.

3149556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15463 (or 15461 counting only the distinct ones).

The product of its digits is 16200, while the sum is 33.

The square root of 3149556 is about 1774.6988476922. The cubic root of 3149556 is about 146.5828331741.

It can be divided in two parts, 314 and 9556, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 3149556 in words is "three million, one hundred forty-nine thousand, five hundred fifty-six".