3142989 has 16 divisors (see below), whose sum is σ = 4737600. Its totient is φ = 2058768.

The previous prime is 3142987. The next prime is 3143003. The reversal of 3142989 is 9892413.

It is not a de Polignac number, because 3142989 - 2¹ = 3142987 is a prime.

3142989 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3142981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607 + ... + 2579.

It is an arithmetic number, because the mean of its divisors is an integer number (296100).

Almost surely, 2^3142989 is an apocalyptic number.

It is an amenable number.

3142989 is a deficient number, since it is larger than the sum of its proper divisors (1594611).

3142989 is a wasteful number, since it uses less digits than its factorization.

3142989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041 (or 2035 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 3142989 is about 1772.8477091956. The cubic root of 3142989 is about 146.4808844896.

The spelling of 3142989 in words is "three million, one hundred forty-two thousand, nine hundred eighty-nine".