3504706816 has 36 divisors (see below), whose sum is σ = 7533863092. Its totient is φ = 1617555456.

The previous prime is 3504706759. The next prime is 3504706817. The reversal of 3504706816 is 6186074053.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1840066816 + 1664640000 = 42896^2 + 40800^2 .

It is a super-2 number, since 2×3504706816² = 24565939732233715712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3504706817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523221 + ... + 529876.

Almost surely, 2^3504706816 is an apocalyptic number.

It is an amenable number.

3504706816 is an abundant number, since it is smaller than the sum of its proper divisors (4029156276).

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

3504706816 is a wasteful number, since it uses less digits than its factorization.

3504706816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053126 (or 1053112 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 3504706816 is about 59200.5643216346. The cubic root of 3504706816 is about 1518.9747841947.

The spelling of 3504706816 in words is "three billion, five hundred four million, seven hundred six thousand, eight hundred sixteen".