3091393936 has 80 divisors (see below), whose sum is σ = 6678144000. Its totient is φ = 1379562624.

The previous prime is 3091393871. The next prime is 3091393967. The reversal of 3091393936 is 6393931903.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 465165 + ... + 471763.

It is an arithmetic number, because the mean of its divisors is an integer number (83476800).

Almost surely, 2^3091393936 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 3091393936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3339072000).

3091393936 is an abundant number, since it is smaller than the sum of its proper divisors (3586750064).

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

3091393936 is a wasteful number, since it uses less digits than its factorization.

3091393936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6716 (or 6710 counting only the distinct ones).

The product of its (nonzero) digits is 354294, while the sum is 46.

The square root of 3091393936 is about 55600.3051790186. The cubic root of 3091393936 is about 1456.7491842398.

The spelling of 3091393936 in words is "three billion, ninety-one million, three hundred ninety-three thousand, nine hundred thirty-six".