18240962 has 8 divisors (see below), whose sum is σ = 27384636. Its totient is φ = 9112752.

The previous prime is 18240961. The next prime is 18240967. The reversal of 18240962 is 26904281.

It can be written as a sum of positive squares in 2 ways, for example, as 11895601 + 6345361 = 3449^2 + 2519^2 .

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

It is not an unprimeable number, because it can be changed into a prime (18240961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233 + ... + 6044.

Almost surely, 2^18240962 is an apocalyptic number.

18240962 is a deficient number, since it is larger than the sum of its proper divisors (9143674).

18240962 is a wasteful number, since it uses less digits than its factorization.

18240962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7732.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 18240962 is about 4270.9439237714. The cubic root of 18240962 is about 263.2384022858.

The spelling of 18240962 in words is "eighteen million, two hundred forty thousand, nine hundred sixty-two".