3204891 has 12 divisors (see below), whose sum is σ = 4901832. Its totient is φ = 2010816.

The previous prime is 3204871. The next prime is 3204893. The reversal of 3204891 is 1984023.

It is not a de Polignac number, because 3204891 - 2⁶ = 3204827 is a prime.

It is a d-powerful number, because it can be written as 3¹⁰ + 2⁵ + 0 + 4¹⁰ + 8⁷ + 9² + 1 .

It is not an unprimeable number, because it can be changed into a prime (3204893) 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, 10321 + ... + 10626.

It is an arithmetic number, because the mean of its divisors is an integer number (408486).

Almost surely, 2^3204891 is an apocalyptic number.

3204891 is a deficient number, since it is larger than the sum of its proper divisors (1696941).

3204891 is a wasteful number, since it uses less digits than its factorization.

3204891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20970 (or 20967 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 3204891 is about 1790.2209360858. The cubic root of 3204891 is about 147.4362992196.

It can be divided in two parts, 3204 and 891, that added together give a triangular number (4095 = T₉₀).

The spelling of 3204891 in words is "three million, two hundred four thousand, eight hundred ninety-one".