2981899 has 2 divisors, whose sum is σ = 2981900. Its totient is φ = 2981898.

The previous prime is 2981897. The next prime is 2981903. The reversal of 2981899 is 9981892.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2981899 - 2¹ = 2981897 is a prime.

Together with 2981897, it forms a pair of twin primes.

It is a plaindrome in base 14.

It is a nialpdrome in base 12.

It is not a weakly prime, because it can be changed into another prime (2981897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1490949 + 1490950.

It is an arithmetic number, because the mean of its divisors is an integer number (1490950).

2^2981899 is an apocalyptic number.

2981899 is a deficient number, since it is larger than the sum of its proper divisors (1).

2981899 is an equidigital number, since it uses as much as digits as its factorization.

2981899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 46.

The square root of 2981899 is about 1726.8175931464. The cubic root of 2981899 is about 143.9343032366.

It can be divided in two parts, 298 and 1899, that added together give a cube (2197 = 13³).

The spelling of 2981899 in words is "two million, nine hundred eighty-one thousand, eight hundred ninety-nine".