3949259 has 4 divisors (see below), whose sum is σ = 3969504. Its totient is φ = 3929016.

The previous prime is 3949247. The next prime is 3949271. The reversal of 3949259 is 9529493.

3949259 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3949247) and next prime (3949271).

It is a cyclic number.

It is not a de Polignac number, because 3949259 - 2⁸ = 3949003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3949459) 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 3 ways as a sum of consecutive naturals, for example, 9827 + ... + 10220.

It is an arithmetic number, because the mean of its divisors is an integer number (992376).

Almost surely, 2^3949259 is an apocalyptic number.

3949259 is a deficient number, since it is larger than the sum of its proper divisors (20245).

3949259 is a wasteful number, since it uses less digits than its factorization.

3949259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20244.

The product of its digits is 87480, while the sum is 41.

The square root of 3949259 is about 1987.2742639102. The cubic root of 3949259 is about 158.0660275229.

The spelling of 3949259 in words is "three million, nine hundred forty-nine thousand, two hundred fifty-nine".