3539820 has 24 divisors (see below), whose sum is σ = 9911664. Its totient is φ = 943936.

The previous prime is 3539819. The next prime is 3539831. The reversal of 3539820 is 289353.

It is a happy number.

3539820 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29439 + ... + 29558.

It is an arithmetic number, because the mean of its divisors is an integer number (412986).

Almost surely, 2^3539820 is an apocalyptic number.

3539820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3539820 is an abundant number, since it is smaller than the sum of its proper divisors (6371844).

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

3539820 is a wasteful number, since it uses less digits than its factorization.

3539820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59009 (or 59007 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 3539820 is about 1881.4409371543. The cubic root of 3539820 is about 152.4030737664.

The spelling of 3539820 in words is "three million, five hundred thirty-nine thousand, eight hundred twenty".