36863946 has 48 divisors (see below), whose sum is σ = 91675584. Its totient is φ = 10487232.

The previous prime is 36863927. The next prime is 36863969. The reversal of 36863946 is 64936863.

36863946 is a `hidden beast` number, since 3 + 6 + 8 + 639 + 4 + 6 = 666.

It is a Curzon number.

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, 38206 + ... + 39158.

It is an arithmetic number, because the mean of its divisors is an integer number (1909908).

Almost surely, 2^36863946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36863946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45837792).

36863946 is an abundant number, since it is smaller than the sum of its proper divisors (54811638).

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

36863946 is a wasteful number, since it uses less digits than its factorization.

36863946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275 (or 1272 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 36863946 is about 6071.5686605687. The cubic root of 36863946 is about 332.8132491817.

Adding to 36863946 its sum of digits (45), we get a triangular number (36863991 = T₈₅₈₆).

It can be divided in two parts, 3686394 and 6, that added together give a square (3686400 = 1920²).

The spelling of 36863946 in words is "thirty-six million, eight hundred sixty-three thousand, nine hundred forty-six".