369900018 has 48 divisors (see below), whose sum is σ = 863285280. Its totient is φ = 114089472.

The previous prime is 369899987. The next prime is 369900023. The reversal of 369900018 is 810009963.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2130 + ... + 27282.

It is an arithmetic number, because the mean of its divisors is an integer number (17985110).

Almost surely, 2^369900018 is an apocalyptic number.

369900018 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 369900018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (431642640).

369900018 is an abundant number, since it is smaller than the sum of its proper divisors (493385262).

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

369900018 is a wasteful number, since it uses less digits than its factorization.

369900018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25223 (or 25220 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 369900018 is about 19232.7849777405. The cubic root of 369900018 is about 717.8407648577.

The spelling of 369900018 in words is "three hundred sixty-nine million, nine hundred thousand, eighteen".