18119748 has 48 divisors (see below), whose sum is σ = 44355584. Its totient is φ = 5749920.

The previous prime is 18119743. The next prime is 18119771. The reversal of 18119748 is 84791181.

It is a super-3 number, since 3×18119748³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (18119743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24561 + ... + 25287.

Almost surely, 2^18119748 is an apocalyptic number.

It is an amenable number.

18119748 is an abundant number, since it is smaller than the sum of its proper divisors (26235836).

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

18119748 is a wasteful number, since it uses less digits than its factorization.

18119748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832 (or 830 counting only the distinct ones).

The product of its digits is 16128, while the sum is 39.

The square root of 18119748 is about 4256.7297306735. The cubic root of 18119748 is about 262.6540193635.

The spelling of 18119748 in words is "eighteen million, one hundred nineteen thousand, seven hundred forty-eight".