182649980 has 12 divisors (see below), whose sum is σ = 383565000. Its totient is φ = 73059984.

The previous prime is 182649967. The next prime is 182649991. The reversal of 182649980 is 89946281.

It is a super-2 number, since 2×182649980² = 66722030388000800, 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4566230 + ... + 4566269.

It is an arithmetic number, because the mean of its divisors is an integer number (31963750).

Almost surely, 2^182649980 is an apocalyptic number.

182649980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

182649980 is an abundant number, since it is smaller than the sum of its proper divisors (200915020).

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

182649980 is a wasteful number, since it uses less digits than its factorization.

182649980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9132508 (or 9132506 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 182649980 is about 13514.8059549518. The cubic root of 182649980 is about 567.3789374783.

The spelling of 182649980 in words is "one hundred eighty-two million, six hundred forty-nine thousand, nine hundred eighty".