3513872 has 20 divisors (see below), whose sum is σ = 7043820. Its totient is φ = 1696128.

The previous prime is 3513859. The next prime is 3513877. The reversal of 3513872 is 2783153.

It can be written as a sum of positive squares in 2 ways, for example, as 2972176 + 541696 = 1724^2 + 736^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (3513877) 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, 3323 + ... + 4250.

It is an arithmetic number, because the mean of its divisors is an integer number (352191).

Almost surely, 2^3513872 is an apocalyptic number.

It is an amenable number.

3513872 is an abundant number, since it is smaller than the sum of its proper divisors (3529948).

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

3513872 is a wasteful number, since it uses less digits than its factorization.

3513872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7610 (or 7604 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 3513872 is about 1874.5324750454. The cubic root of 3513872 is about 152.0297725614.

The spelling of 3513872 in words is "three million, five hundred thirteen thousand, eight hundred seventy-two".