3205902 has 32 divisors (see below), whose sum is σ = 7529472. Its totient is φ = 890784.

The previous prime is 3205897. The next prime is 3205903. The reversal of 3205902 is 2095023.

3205902 is digitally balanced in base 2, 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 (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3205903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 523 + ... + 2585.

It is an arithmetic number, because the mean of its divisors is an integer number (235296).

Almost surely, 2^3205902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3205902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3764736).

3205902 is an abundant number, since it is smaller than the sum of its proper divisors (4323570).

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

3205902 is a wasteful number, since it uses less digits than its factorization.

3205902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 3205902 is about 1790.5032812034. The cubic root of 3205902 is about 147.4518007793.

The spelling of 3205902 in words is "three million, two hundred five thousand, nine hundred two".