3154989 has 4 divisors (see below), whose sum is σ = 4206656. Its totient is φ = 2103324.

The previous prime is 3154967. The next prime is 3154999. The reversal of 3154989 is 9894513.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3154989 - 2⁹ = 3154477 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3154999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525829 + ... + 525834.

It is an arithmetic number, because the mean of its divisors is an integer number (1051664).

Almost surely, 2^3154989 is an apocalyptic number.

It is an amenable number.

3154989 is a deficient number, since it is larger than the sum of its proper divisors (1051667).

3154989 is a wasteful number, since it uses less digits than its factorization.

3154989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051666.

The product of its digits is 38880, while the sum is 39.

The square root of 3154989 is about 1776.2288703880. The cubic root of 3154989 is about 146.6670701320.

The spelling of 3154989 in words is "three million, one hundred fifty-four thousand, nine hundred eighty-nine".