3494856785 has 64 divisors (see below), whose sum is σ = 5183668224. Its totient is φ = 2210208000.

The previous prime is 3494856749. The next prime is 3494856803. The reversal of 3494856785 is 5876584943.

It is not a de Polignac number, because 3494856785 - 2⁶ = 3494856721 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2685635 + ... + 2686935.

It is an arithmetic number, because the mean of its divisors is an integer number (80994816).

Almost surely, 2^3494856785 is an apocalyptic number.

3494856785 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3494856785 is a deficient number, since it is larger than the sum of its proper divisors (1688811439).

3494856785 is a wasteful number, since it uses less digits than its factorization.

3494856785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454.

The product of its digits is 29030400, while the sum is 59.

The square root of 3494856785 is about 59117.3137498652. The cubic root of 3494856785 is about 1517.5504151625.

The spelling of 3494856785 in words is "three billion, four hundred ninety-four million, eight hundred fifty-six thousand, seven hundred eighty-five".