3139697 has 8 divisors (see below), whose sum is σ = 3469440. Its totient is φ = 2817360.

The previous prime is 3139681. The next prime is 3139699. The reversal of 3139697 is 7969313.

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 3139697 - 2⁴ = 3139681 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 3139697.

It is not an unprimeable number, because it can be changed into a prime (3139699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 938 + ... + 2675.

It is an arithmetic number, because the mean of its divisors is an integer number (433680).

Almost surely, 2^3139697 is an apocalyptic number.

It is an amenable number.

3139697 is a deficient number, since it is larger than the sum of its proper divisors (329743).

3139697 is a wasteful number, since it uses less digits than its factorization.

3139697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703.

The product of its digits is 30618, while the sum is 38.

The square root of 3139697 is about 1771.9190162081. The cubic root of 3139697 is about 146.4297247466.

The spelling of 3139697 in words is "three million, one hundred thirty-nine thousand, six hundred ninety-seven".