2901998 has 8 divisors (see below), whose sum is σ = 4748760. Its totient is φ = 1319080.

The previous prime is 2901989. The next prime is 2902049. The reversal of 2901998 is 8991092.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 65933 + ... + 65976.

It is an arithmetic number, because the mean of its divisors is an integer number (593595).

2^2901998 is an apocalyptic number.

2901998 is a deficient number, since it is larger than the sum of its proper divisors (1846762).

2901998 is a wasteful number, since it uses less digits than its factorization.

2901998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131922.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 2901998 is about 1703.5251685843. The cubic root of 2901998 is about 142.6370570144.

The spelling of 2901998 in words is "two million, nine hundred one thousand, nine hundred ninety-eight".