3494872185 has 96 divisors (see below), whose sum is σ = 6739552512. Its totient is φ = 1514004480.

The previous prime is 3494872181. The next prime is 3494872193. The reversal of 3494872185 is 5812784943.

It is a happy number.

It is not a de Polignac number, because 3494872185 - 2² = 3494872181 is a prime.

It is a Curzon 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 95 ways as a sum of consecutive naturals, for example, 5893249 + ... + 5893841.

It is an arithmetic number, because the mean of its divisors is an integer number (70203672).

Almost surely, 2^3494872185 is an apocalyptic number.

3494872185 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3494872185 is a deficient number, since it is larger than the sum of its proper divisors (3244680327).

3494872185 is a wasteful number, since it uses less digits than its factorization.

3494872185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723 (or 686 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The square root of 3494872185 is about 59117.4439992123. The cubic root of 3494872185 is about 1517.5526441753.

The spelling of 3494872185 in words is "three billion, four hundred ninety-four million, eight hundred seventy-two thousand, one hundred eighty-five".