18276468 has 24 divisors (see below), whose sum is σ = 48737472. Its totient is φ = 5221824.

The previous prime is 18276463. The next prime is 18276469. The reversal of 18276468 is 86467281.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18276463) 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 7 ways as a sum of consecutive naturals, for example, 108705 + ... + 108872.

It is an arithmetic number, because the mean of its divisors is an integer number (2030728).

Almost surely, 2^18276468 is an apocalyptic number.

It is an amenable number.

18276468 is an abundant number, since it is smaller than the sum of its proper divisors (30461004).

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

18276468 is a wasteful number, since it uses less digits than its factorization.

18276468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217591 (or 217589 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 18276468 is about 4275.0985953543. The cubic root of 18276468 is about 263.4090892799.

The spelling of 18276468 in words is "eighteen million, two hundred seventy-six thousand, four hundred sixty-eight".