3126939620 has 96 divisors (see below), whose sum is σ = 7936137216. Its totient is φ = 1012147200.

The previous prime is 3126939583. The next prime is 3126939637. The reversal of 3126939620 is 269396213.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169154 + ... + 186726.

It is an arithmetic number, because the mean of its divisors is an integer number (82668096).

Almost surely, 2^3126939620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3126939620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3968068608).

3126939620 is an abundant number, since it is smaller than the sum of its proper divisors (4809197596).

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

3126939620 is a wasteful number, since it uses less digits than its factorization.

3126939620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17661 (or 17659 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 3126939620 is about 55919.0452350539. The cubic root of 3126939620 is about 1462.3112856558.

The spelling of 3126939620 in words is "three billion, one hundred twenty-six million, nine hundred thirty-nine thousand, six hundred twenty".