182971998 has 24 divisors (see below), whose sum is σ = 432479736. Its totient is φ = 55446000.

The previous prime is 182971961. The next prime is 182972017. The reversal of 182971998 is 899179281.

182971998 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×182971998² = 66957504104224008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 461853 + ... + 462248.

It is an arithmetic number, because the mean of its divisors is an integer number (18019989).

Almost surely, 2^182971998 is an apocalyptic number.

182971998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

182971998 is an abundant number, since it is smaller than the sum of its proper divisors (249507738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

182971998 is a wasteful number, since it uses less digits than its factorization.

182971998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924120 (or 924117 counting only the distinct ones).

The product of its digits is 653184, while the sum is 54.

The square root of 182971998 is about 13526.7142351718. The cubic root of 182971998 is about 567.7121777070.

The spelling of 182971998 in words is "one hundred eighty-two million, nine hundred seventy-one thousand, nine hundred ninety-eight".