3139863 has 8 divisors (see below), whose sum is σ = 4195968. Its totient is φ = 2088504.

The previous prime is 3139861. The next prime is 3139867. The reversal of 3139863 is 3689313.

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

It is not a de Polignac number, because 3139863 - 2¹ = 3139861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3139861) 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, 870 + ... + 2652.

It is an arithmetic number, because the mean of its divisors is an integer number (524496).

Almost surely, 2^3139863 is an apocalyptic number.

3139863 is a deficient number, since it is larger than the sum of its proper divisors (1056105).

3139863 is a wasteful number, since it uses less digits than its factorization.

3139863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373.

The product of its digits is 11664, while the sum is 33.

The square root of 3139863 is about 1771.9658574589. The cubic root of 3139863 is about 146.4323053466.

The spelling of 3139863 in words is "three million, one hundred thirty-nine thousand, eight hundred sixty-three".