3149442 has 20 divisors (see below), whose sum is σ = 7057446. Its totient is φ = 1049760.

The previous prime is 3149441. The next prime is 3149467. The reversal of 3149442 is 2449413.

It can be written as a sum of positive squares in only one way, i.e., 2954961 + 194481 = 1719^2 + 441^2 .

It is a super-2 number, since 2×3149442² = 19837969822728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3149441) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 9559 + ... + 9882.

Almost surely, 2^3149442 is an apocalyptic number.

3149442 is an abundant number, since it is smaller than the sum of its proper divisors (3908004).

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

3149442 is a wasteful number, since it uses less digits than its factorization.

3149442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19455 (or 19446 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 3149442 is about 1774.6667292762. Note that the first 3 decimals coincide. The cubic root of 3149442 is about 146.5810646027.

The spelling of 3149442 in words is "three million, one hundred forty-nine thousand, four hundred forty-two".