3494872188 has 36 divisors (see below), whose sum is σ = 8851199448. Its totient is φ = 1162723680.

The previous prime is 3494872181. The next prime is 3494872193. The reversal of 3494872188 is 8812784943.

It is a happy number.

3494872188 is a `hidden beast` number, since 3 + 494 + 8 + 72 + 1 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×3494872188² = 24428263220911814688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3494872181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73983 + ... + 111638.

Almost surely, 2^3494872188 is an apocalyptic number.

It is an amenable number.

3494872188 is an abundant number, since it is smaller than the sum of its proper divisors (5356327260).

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

3494872188 is a wasteful number, since it uses less digits than its factorization.

3494872188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186154 (or 186149 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The square root of 3494872188 is about 59117.4440245855. Note that the first 3 decimals coincide. The cubic root of 3494872188 is about 1517.5526446096.

The spelling of 3494872188 in words is "three billion, four hundred ninety-four million, eight hundred seventy-two thousand, one hundred eighty-eight".