3239643 has 16 divisors (see below), whose sum is σ = 4755456. Its totient is φ = 1945440.

The previous prime is 3239641. The next prime is 3239647. The reversal of 3239643 is 3469323.

It is not a de Polignac number, because 3239643 - 2¹ = 3239641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3239643.

It is not an unprimeable number, because it can be changed into a prime (3239641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3805 + ... + 4577.

It is an arithmetic number, because the mean of its divisors is an integer number (297216).

Almost surely, 2^3239643 is an apocalyptic number.

3239643 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3239643 is a deficient number, since it is larger than the sum of its proper divisors (1515813).

3239643 is a wasteful number, since it uses less digits than its factorization.

3239643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914.

The product of its digits is 11664, while the sum is 30.

The square root of 3239643 is about 1799.9008306015. The cubic root of 3239643 is about 147.9672894595.

The spelling of 3239643 in words is "three million, two hundred thirty-nine thousand, six hundred forty-three".