3138799 has 2 divisors, whose sum is σ = 3138800. Its totient is φ = 3138798.

The previous prime is 3138791. The next prime is 3138803. The reversal of 3138799 is 9978313.

It is a strong prime.

It is an emirp because it is prime and its reverse (9978313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3138799 - 2³ = 3138791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3138791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1569399 + 1569400.

It is an arithmetic number, because the mean of its divisors is an integer number (1569400).

Almost surely, 2^3138799 is an apocalyptic number.

3138799 is a deficient number, since it is larger than the sum of its proper divisors (1).

3138799 is an equidigital number, since it uses as much as digits as its factorization.

3138799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 40.

The square root of 3138799 is about 1771.6656005014. The cubic root of 3138799 is about 146.4157630563.

The spelling of 3138799 in words is "three million, one hundred thirty-eight thousand, seven hundred ninety-nine".