3126938628 has 144 divisors (see below), whose sum is σ = 8358920192. Its totient is φ = 908107200.

The previous prime is 3126938627. The next prime is 3126938651. The reversal of 3126938628 is 8268396213.

It is not an unprimeable number, because it can be changed into a prime (3126938627) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5716251 + ... + 5716797.

Almost surely, 2^3126938628 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 3126938628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4179460096).

3126938628 is an abundant number, since it is smaller than the sum of its proper divisors (5231981564).

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

3126938628 is a wasteful number, since it uses less digits than its factorization.

3126938628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734 (or 721 counting only the distinct ones).

The product of its digits is 746496, while the sum is 48.

The square root of 3126938628 is about 55919.0363650877. The cubic root of 3126938628 is about 1462.3111310197.

The spelling of 3126938628 in words is "three billion, one hundred twenty-six million, nine hundred thirty-eight thousand, six hundred twenty-eight".