18253960 has 16 divisors (see below), whose sum is σ = 41071500. Its totient is φ = 7301568.

The previous prime is 18253957. The next prime is 18253993. The reversal of 18253960 is 6935281.

It can be written as a sum of positive squares in 2 ways, for example, as 15570916 + 2683044 = 3946^2 + 1638^2 .

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228135 + ... + 228214.

Almost surely, 2^18253960 is an apocalyptic number.

18253960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18253960 is an abundant number, since it is smaller than the sum of its proper divisors (22817540).

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

18253960 is a wasteful number, since it uses less digits than its factorization.

18253960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456360 (or 456356 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 18253960 is about 4272.4653304620. The cubic root of 18253960 is about 263.3009128846.

The spelling of 18253960 in words is "eighteen million, two hundred fifty-three thousand, nine hundred sixty".