18052630 has 8 divisors (see below), whose sum is σ = 32494752. Its totient is φ = 7221048.

The previous prime is 18052621. The next prime is 18052637. The reversal of 18052630 is 3625081.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 18052595 and 18052604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18052637) 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, 902622 + ... + 902641.

It is an arithmetic number, because the mean of its divisors is an integer number (4061844).

Almost surely, 2^18052630 is an apocalyptic number.

18052630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18052630 is a deficient number, since it is larger than the sum of its proper divisors (14442122).

18052630 is a wasteful number, since it uses less digits than its factorization.

18052630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805270.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 18052630 is about 4248.8386648589. The cubic root of 18052630 is about 262.3293161009.

The spelling of 18052630 in words is "eighteen million, fifty-two thousand, six hundred thirty".