3609957888 has 160 divisors (see below), whose sum is σ = 11315034720. Its totient is φ = 1132462080.

The previous prime is 3609957881. The next prime is 3609957899. The reversal of 3609957888 is 8887599063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3609957881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227328 + ... + 242688.

It is an arithmetic number, because the mean of its divisors is an integer number (70718967).

Almost surely, 2^3609957888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3609957888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5657517360).

3609957888 is an abundant number, since it is smaller than the sum of its proper divisors (7705076832).

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

3609957888 is a wasteful number, since it uses less digits than its factorization.

3609957888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15405 (or 15383 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The square root of 3609957888 is about 60082.9250952382. The cubic root of 3609957888 is about 1534.0306793187.

The spelling of 3609957888 in words is "three billion, six hundred nine million, nine hundred fifty-seven thousand, eight hundred eighty-eight".