3524897920 has 64 divisors (see below), whose sum is σ = 8632302840. Its totient is φ = 1375559680.

The previous prime is 3524897899. The next prime is 3524897921. The reversal of 3524897920 is 297984253.

It can be written as a sum of positive squares in 4 ways, for example, as 2128530496 + 1396367424 = 46136^2 + 37368^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (3524897921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40927 + ... + 93406.

Almost surely, 2^3524897920 is an apocalyptic number.

It is an amenable number.

3524897920 is an abundant number, since it is smaller than the sum of its proper divisors (5107404920).

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

3524897920 is a wasteful number, since it uses less digits than its factorization.

3524897920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134393 (or 134381 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 3524897920 is about 59370.8507602847. The cubic root of 3524897920 is about 1521.8862087081.

The spelling of 3524897920 in words is "three billion, five hundred twenty-four million, eight hundred ninety-seven thousand, nine hundred twenty".