3112989 has 32 divisors (see below), whose sum is σ = 4976640. Its totient is φ = 1708800.

The previous prime is 3112987. The next prime is 3113009. The reversal of 3112989 is 9892113.

It is not a de Polignac number, because 3112989 - 2¹ = 3112987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17302 + ... + 17480.

It is an arithmetic number, because the mean of its divisors is an integer number (155520).

Almost surely, 2^3112989 is an apocalyptic number.

It is an amenable number.

3112989 is a deficient number, since it is larger than the sum of its proper divisors (1863651).

3112989 is a wasteful number, since it uses less digits than its factorization.

3112989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241.

The product of its digits is 3888, while the sum is 33.

The square root of 3112989 is about 1764.3664585341. The cubic root of 3112989 is about 146.0133377444.

The spelling of 3112989 in words is "three million, one hundred twelve thousand, nine hundred eighty-nine".