3253861 has 8 divisors (see below), whose sum is σ = 3522680. Its totient is φ = 2987712.

The previous prime is 3253841. The next prime is 3253871. The reversal of 3253861 is 1683523.

3253861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1640961 + 1612900 = 1281^2 + 1270^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3253861 - 2¹⁵ = 3221093 is a prime.

It is a super-2 number, since 2×3253861² = 21175222814642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3253841) 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 7 ways as a sum of consecutive naturals, for example, 2431 + ... + 3523.

It is an arithmetic number, because the mean of its divisors is an integer number (440335).

Almost surely, 2^3253861 is an apocalyptic number.

It is an amenable number.

3253861 is a deficient number, since it is larger than the sum of its proper divisors (268819).

3253861 is a wasteful number, since it uses less digits than its factorization.

3253861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335.

The product of its digits is 4320, while the sum is 28.

The square root of 3253861 is about 1803.8461686075. The cubic root of 3253861 is about 148.1834376295.

It can be divided in two parts, 3253 and 861, that added together give a palindrome (4114).

The spelling of 3253861 in words is "three million, two hundred fifty-three thousand, eight hundred sixty-one".