18258048 has 96 divisors (see below), whose sum is σ = 54578160. Its totient is φ = 6075648.

The previous prime is 18258047. The next prime is 18258059. The reversal of 18258048 is 84085281.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (18258047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30811 + ... + 31397.

Almost surely, 2^18258048 is an apocalyptic number.

18258048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18258048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27289080).

18258048 is an abundant number, since it is smaller than the sum of its proper divisors (36320112).

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

18258048 is an frugal number, since it uses more digits than its factorization.

18258048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 18258048 is about 4272.9437159878. The cubic root of 18258048 is about 263.3205669540.

The spelling of 18258048 in words is "eighteen million, two hundred fifty-eight thousand, forty-eight".