3126789 has 8 divisors (see below), whose sum is σ = 4632320. Its totient is φ = 2084508.

The previous prime is 3126779. The next prime is 3126791. The reversal of 3126789 is 9876213.

It is not a de Polignac number, because 3126789 - 2⁷ = 3126661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3126749) 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, 57877 + ... + 57930.

It is an arithmetic number, because the mean of its divisors is an integer number (579040).

Almost surely, 2^3126789 is an apocalyptic number.

It is an amenable number.

3126789 is a deficient number, since it is larger than the sum of its proper divisors (1505531).

3126789 is a wasteful number, since it uses less digits than its factorization.

3126789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115816 (or 115810 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 3126789 is about 1768.2728861802. The cubic root of 3126789 is about 146.2287806164.

The spelling of 3126789 in words is "three million, one hundred twenty-six thousand, seven hundred eighty-nine".