3533685920 has 24 divisors (see below), whose sum is σ = 8348333364. Its totient is φ = 1413474304.

The previous prime is 3533685917. The next prime is 3533685923. The reversal of 3533685920 is 295863353.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3533685917) and next prime (3533685923).

It can be written as a sum of positive squares in 2 ways, for example, as 3519336976 + 14348944 = 59324^2 + 3788^2 .

It is not an unprimeable number, because it can be changed into a prime (3533685923) 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, 11042609 + ... + 11042928.

Almost surely, 2^3533685920 is an apocalyptic number.

It is an amenable number.

3533685920 is an abundant number, since it is smaller than the sum of its proper divisors (4814647444).

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

3533685920 is a wasteful number, since it uses less digits than its factorization.

3533685920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22085552 (or 22085544 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 44.

The square root of 3533685920 is about 59444.8140715403. The cubic root of 3533685920 is about 1523.1499083535.

The spelling of 3533685920 in words is "three billion, five hundred thirty-three million, six hundred eighty-five thousand, nine hundred twenty".