2102998 has 4 divisors (see below), whose sum is σ = 3154500. Its totient is φ = 1051498.

The previous prime is 2102941. The next prime is 2102999. The reversal of 2102998 is 8992012.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525748 + ... + 525751.

It is an arithmetic number, because the mean of its divisors is an integer number (788625).

2^2102998 is an apocalyptic number.

2102998 is a deficient number, since it is larger than the sum of its proper divisors (1051502).

2102998 is a wasteful number, since it uses less digits than its factorization.

2102998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051501.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 2102998 is about 1450.1717139705. The cubic root of 2102998 is about 128.1188268293.

The spelling of 2102998 in words is "two million, one hundred two thousand, nine hundred ninety-eight".