3499381872 has 80 divisors (see below), whose sum is σ = 11479463680. Its totient is φ = 999822528.

The previous prime is 3499381849. The next prime is 3499381931. The reversal of 3499381872 is 2781839943.

3499381872 is a `hidden beast` number, since 3 + 499 + 3 + 81 + 8 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 575578 + ... + 581625.

It is an arithmetic number, because the mean of its divisors is an integer number (143493296).

Almost surely, 2^3499381872 is an apocalyptic number.

It is an amenable number.

3499381872 is an abundant number, since it is smaller than the sum of its proper divisors (7980081808).

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

3499381872 is a wasteful number, since it uses less digits than its factorization.

3499381872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157227 (or 1157215 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 3499381872 is about 59155.5734652281. The cubic root of 3499381872 is about 1518.2050996913.

The spelling of 3499381872 in words is "three billion, four hundred ninety-nine million, three hundred eighty-one thousand, eight hundred seventy-two".