3205146 has 48 divisors (see below), whose sum is σ = 7874496. Its totient is φ = 849024.

The previous prime is 3205141. The next prime is 3205217. The reversal of 3205146 is 6415023.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (3205141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47805 + ... + 47871.

It is an arithmetic number, because the mean of its divisors is an integer number (164052).

Almost surely, 2^3205146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3205146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3937248).

3205146 is an abundant number, since it is smaller than the sum of its proper divisors (4669350).

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

3205146 is a wasteful number, since it uses less digits than its factorization.

3205146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3205146 is about 1790.2921549289. The cubic root of 3205146 is about 147.4402094159.

The spelling of 3205146 in words is "three million, two hundred five thousand, one hundred forty-six".