3149999 has 2 divisors, whose sum is σ = 3150000. Its totient is φ = 3149998.

The previous prime is 3149983. The next prime is 3150001. The reversal of 3149999 is 9999413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3149999 - 2⁴ = 3149983 is a prime.

Together with 3150001, it forms a pair of twin primes.

It is a Chen prime.

3149999 is a modest number, since divided by 9999 gives 314 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3149929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1574999 + 1575000.

It is an arithmetic number, because the mean of its divisors is an integer number (1575000).

Almost surely, 2^3149999 is an apocalyptic number.

3149999 is a deficient number, since it is larger than the sum of its proper divisors (1).

3149999 is an equidigital number, since it uses as much as digits as its factorization.

3149999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 78732, while the sum is 44.

The square root of 3149999 is about 1774.8236532118. The cubic root of 3149999 is about 146.5897053757.

The spelling of 3149999 in words is "three million, one hundred forty-nine thousand, nine hundred ninety-nine".