3539520 has 84 divisors (see below), whose sum is σ = 12184380. Its totient is φ = 943104.

The previous prime is 3539509. The next prime is 3539521. The reversal of 3539520 is 259353.

It can be written as a sum of positive squares in 2 ways, for example, as 2663424 + 876096 = 1632^2 + 936^2 .

It is not an unprimeable number, because it can be changed into a prime (3539521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2266 + ... + 3494.

Almost surely, 2^3539520 is an apocalyptic number.

3539520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3539520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6092190).

3539520 is an abundant number, since it is smaller than the sum of its proper divisors (8644860).

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

3539520 is a wasteful number, since it uses less digits than its factorization.

3539520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252 (or 1239 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

The square root of 3539520 is about 1881.3612093375. The cubic root of 3539520 is about 152.3987682542.

The spelling of 3539520 in words is "three million, five hundred thirty-nine thousand, five hundred twenty".