3959247 has 8 divisors (see below), whose sum is σ = 5407920. Its totient is φ = 2575040.

The previous prime is 3959237. The next prime is 3959257. The reversal of 3959247 is 7429593.

It is an interprime number because it is at equal distance from previous prime (3959237) and next prime (3959257).

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

It is a cyclic number.

It is not a de Polignac number, because 3959247 - 2⁷ = 3959119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3959237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15972 + ... + 16217.

It is an arithmetic number, because the mean of its divisors is an integer number (675990).

Almost surely, 2^3959247 is an apocalyptic number.

3959247 is a deficient number, since it is larger than the sum of its proper divisors (1448673).

3959247 is a wasteful number, since it uses less digits than its factorization.

3959247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32233.

The product of its digits is 68040, while the sum is 39.

The square root of 3959247 is about 1989.7856668496. The cubic root of 3959247 is about 158.1991693274.

The spelling of 3959247 in words is "three million, nine hundred fifty-nine thousand, two hundred forty-seven".