2939899 has 2 divisors, whose sum is σ = 2939900. Its totient is φ = 2939898.

The previous prime is 2939891. The next prime is 2939917. The reversal of 2939899 is 9989392.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2939899 - 2³ = 2939891 is a prime.

It is a super-2 number, since 2×2939899² = 17286012260402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2939891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1469949 + 1469950.

It is an arithmetic number, because the mean of its divisors is an integer number (1469950).

2^2939899 is an apocalyptic number.

2939899 is a deficient number, since it is larger than the sum of its proper divisors (1).

2939899 is an equidigital number, since it uses as much as digits as its factorization.

2939899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 314928, while the sum is 49.

The square root of 2939899 is about 1714.6133674972. The cubic root of 2939899 is about 143.2553346433.

The spelling of 2939899 in words is "two million, nine hundred thirty-nine thousand, eight hundred ninety-nine".