3859247 has 4 divisors (see below), whose sum is σ = 4410576. Its totient is φ = 3307920.

The previous prime is 3859243. The next prime is 3859253. The reversal of 3859247 is 7429583.

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

It is not a de Polignac number, because 3859247 - 2² = 3859243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3859247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3859243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275654 + ... + 275667.

It is an arithmetic number, because the mean of its divisors is an integer number (1102644).

Almost surely, 2^3859247 is an apocalyptic number.

3859247 is a deficient number, since it is larger than the sum of its proper divisors (551329).

3859247 is an equidigital number, since it uses as much as digits as its factorization.

3859247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551328.

The product of its digits is 60480, while the sum is 38.

The square root of 3859247 is about 1964.4966276377. The cubic root of 3859247 is about 156.8558998031.

The spelling of 3859247 in words is "three million, eight hundred fifty-nine thousand, two hundred forty-seven".