2150998 has 4 divisors (see below), whose sum is σ = 3226500. Its totient is φ = 1075498.

The previous prime is 2150977. The next prime is 2151001. The reversal of 2150998 is 8990512.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537748 + ... + 537751.

It is an arithmetic number, because the mean of its divisors is an integer number (806625).

2^2150998 is an apocalyptic number.

2150998 is a deficient number, since it is larger than the sum of its proper divisors (1075502).

2150998 is a wasteful number, since it uses less digits than its factorization.

2150998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075501.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 2150998 is about 1466.6281055537. The cubic root of 2150998 is about 129.0862552349.

The spelling of 2150998 in words is "two million, one hundred fifty thousand, nine hundred ninety-eight".