3250639 has 16 divisors (see below), whose sum is σ = 3916800. Its totient is φ = 2638944.

The previous prime is 3250633. The next prime is 3250651. The reversal of 3250639 is 9360523.

It is not a de Polignac number, because 3250639 - 2³ = 3250631 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3250631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13482 + ... + 13720.

It is an arithmetic number, because the mean of its divisors is an integer number (244800).

Almost surely, 2^3250639 is an apocalyptic number.

3250639 is a deficient number, since it is larger than the sum of its proper divisors (666161).

3250639 is a wasteful number, since it uses less digits than its factorization.

3250639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 3250639 is about 1802.9528557342. The cubic root of 3250639 is about 148.1345106559.

The spelling of 3250639 in words is "three million, two hundred fifty thousand, six hundred thirty-nine".