18852442 has 8 divisors (see below), whose sum is σ = 32318496. Its totient is φ = 8079612.

The previous prime is 18852413. The next prime is 18852443. The reversal of 18852442 is 24425881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×18852442³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18852398 and 18852407.

It is not an unprimeable number, because it can be changed into a prime (18852443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 673288 + ... + 673315.

It is an arithmetic number, because the mean of its divisors is an integer number (4039812).

Almost surely, 2^18852442 is an apocalyptic number.

18852442 is a deficient number, since it is larger than the sum of its proper divisors (13466054).

18852442 is a wasteful number, since it uses less digits than its factorization.

18852442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346612.

The product of its digits is 20480, while the sum is 34.

The square root of 18852442 is about 4341.9398890358. The cubic root of 18852442 is about 266.1475899058.

The spelling of 18852442 in words is "eighteen million, eight hundred fifty-two thousand, four hundred forty-two".