18248899 has 8 divisors (see below), whose sum is σ = 18737840. Its totient is φ = 17762976.

The previous prime is 18248891. The next prime is 18248903. The reversal of 18248899 is 99884281.

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

It is a cyclic number.

It is not a de Polignac number, because 18248899 - 2³ = 18248891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18248891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16537 + ... + 17605.

It is an arithmetic number, because the mean of its divisors is an integer number (2342230).

Almost surely, 2^18248899 is an apocalyptic number.

18248899 is a deficient number, since it is larger than the sum of its proper divisors (488941).

18248899 is a wasteful number, since it uses less digits than its factorization.

18248899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509.

The product of its digits is 331776, while the sum is 49.

The square root of 18248899 is about 4271.8730084121. The cubic root of 18248899 is about 263.2765768119.

The spelling of 18248899 in words is "eighteen million, two hundred forty-eight thousand, eight hundred ninety-nine".