3523780 has 24 divisors (see below), whose sum is σ = 7969752. Its totient is φ = 1300992.

The previous prime is 3523771. The next prime is 3523781. The reversal of 3523780 is 873253.

It can be written as a sum of positive squares in 4 ways, for example, as 262144 + 3261636 = 512^2 + 1806^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3523781) 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, 6517 + ... + 7036.

It is an arithmetic number, because the mean of its divisors is an integer number (332073).

Almost surely, 2^3523780 is an apocalyptic number.

It is an amenable number.

3523780 is an abundant number, since it is smaller than the sum of its proper divisors (4445972).

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

3523780 is a wasteful number, since it uses less digits than its factorization.

3523780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13575 (or 13573 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 3523780 is about 1877.1734070139. The cubic root of 3523780 is about 152.1725303157.

The spelling of 3523780 in words is "three million, five hundred twenty-three thousand, seven hundred eighty".