3139293 has 8 divisors (see below), whose sum is σ = 4367808. Its totient is φ = 2001824.

The previous prime is 3139291. The next prime is 3139303. The reversal of 3139293 is 3929313.

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 3139293 - 2¹ = 3139291 is a prime.

It is an Ulam number.

3139293 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3139293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3139291) 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, 22680 + ... + 22817.

It is an arithmetic number, because the mean of its divisors is an integer number (545976).

Almost surely, 2^3139293 is an apocalyptic number.

It is an amenable number.

3139293 is a deficient number, since it is larger than the sum of its proper divisors (1228515).

3139293 is a wasteful number, since it uses less digits than its factorization.

3139293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45523.

The product of its digits is 4374, while the sum is 30.

The square root of 3139293 is about 1771.8050118453. The cubic root of 3139293 is about 146.4234438702.

The spelling of 3139293 in words is "three million, one hundred thirty-nine thousand, two hundred ninety-three".