18952284 has 48 divisors (see below), whose sum is σ = 49172480. Its totient is φ = 5641920.

The previous prime is 18952277. The next prime is 18952289. The reversal of 18952284 is 48225981.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18952289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2877 + ... + 6795.

Almost surely, 2^18952284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18952284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24586240).

18952284 is an abundant number, since it is smaller than the sum of its proper divisors (30220196).

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

18952284 is a wasteful number, since it uses less digits than its factorization.

18952284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3970 (or 3968 counting only the distinct ones).

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

The square root of 18952284 is about 4353.4221022088. The cubic root of 18952284 is about 266.6165996282.

The spelling of 18952284 in words is "eighteen million, nine hundred fifty-two thousand, two hundred eighty-four".