18954282 has 16 divisors (see below), whose sum is σ = 38051712. Its totient is φ = 6294240.

The previous prime is 18954263. The next prime is 18954283. The reversal of 18954282 is 28245981.

It is a super-2 number, since 2×18954282² = 718529612271048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18954282.

It is not an unprimeable number, because it can be changed into a prime (18954283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4203 + ... + 7454.

It is an arithmetic number, because the mean of its divisors is an integer number (2378232).

Almost surely, 2^18954282 is an apocalyptic number.

18954282 is an abundant number, since it is smaller than the sum of its proper divisors (19097430).

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

18954282 is a wasteful number, since it uses less digits than its factorization.

18954282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11933.

The product of its digits is 46080, while the sum is 39.

The square root of 18954282 is about 4353.6515708081. The cubic root of 18954282 is about 266.6259684418.

The spelling of 18954282 in words is "eighteen million, nine hundred fifty-four thousand, two hundred eighty-two".