3139493 has 8 divisors (see below), whose sum is σ = 3675840. Its totient is φ = 2625120.

The previous prime is 3139489. The next prime is 3139517. The reversal of 3139493 is 3949313.

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 3139493 - 2² = 3139489 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3139403) 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, 5183 + ... + 5756.

It is an arithmetic number, because the mean of its divisors is an integer number (459480).

Almost surely, 2^3139493 is an apocalyptic number.

It is an amenable number.

3139493 is a deficient number, since it is larger than the sum of its proper divisors (536347).

3139493 is a wasteful number, since it uses less digits than its factorization.

3139493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10987.

The product of its digits is 8748, while the sum is 32.

The square root of 3139493 is about 1771.8614505655. The cubic root of 3139493 is about 146.4265532823.

The spelling of 3139493 in words is "three million, one hundred thirty-nine thousand, four hundred ninety-three".