36894618 has 48 divisors (see below), whose sum is σ = 84689280. Its totient is φ = 11575872.

The previous prime is 36894617. The next prime is 36894623. The reversal of 36894618 is 81649863.

It is a super-2 number, since 2×36894618² = 2722425674731848, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36894617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79455 + ... + 79917.

It is an arithmetic number, because the mean of its divisors is an integer number (1764360).

Almost surely, 2^36894618 is an apocalyptic number.

36894618 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 36894618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42344640).

36894618 is an abundant number, since it is smaller than the sum of its proper divisors (47794662).

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

36894618 is a wasteful number, since it uses less digits than its factorization.

36894618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723 (or 720 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 36894618 is about 6074.0940065165. The cubic root of 36894618 is about 332.9055274034.

The spelling of 36894618 in words is "thirty-six million, eight hundred ninety-four thousand, six hundred eighteen".