3449521900 has 72 divisors (see below), whose sum is σ = 8429460480. Its totient is φ = 1213896000.

The previous prime is 3449521883. The next prime is 3449521913. The reversal of 3449521900 is 91259443.

It is a super-2 number, since 2×3449521900² = 23798402677159220000, which contains 22 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3449521900.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16480 + ... + 84679.

It is an arithmetic number, because the mean of its divisors is an integer number (117075840).

Almost surely, 2^3449521900 is an apocalyptic number.

It is an amenable number.

3449521900 is an abundant number, since it is smaller than the sum of its proper divisors (4979938580).

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

3449521900 is a wasteful number, since it uses less digits than its factorization.

3449521900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101215 (or 101208 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 3449521900 is about 58732.6306238704. The cubic root of 3449521900 is about 1510.9600052953.

The spelling of 3449521900 in words is "three billion, four hundred forty-nine million, five hundred twenty-one thousand, nine hundred".