36393966 has 36 divisors (see below), whose sum is σ = 91729872. Its totient is φ = 10398024.

The previous prime is 36393943. The next prime is 36393967. The reversal of 36393966 is 66939363.

36393966 is a `hidden beast` number, since 3 + 639 + 3 + 9 + 6 + 6 = 666.

It is a super-2 number, since 2×36393966² = 2649041522418312, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36393967) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19750 + ... + 21513.

It is an arithmetic number, because the mean of its divisors is an integer number (2548052).

Almost surely, 2^36393966 is an apocalyptic number.

36393966 is an abundant number, since it is smaller than the sum of its proper divisors (55335906).

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

36393966 is a wasteful number, since it uses less digits than its factorization.

36393966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41285 (or 41275 counting only the distinct ones).

The product of its digits is 472392, while the sum is 45.

The square root of 36393966 is about 6032.7411679932. The cubic root of 36393966 is about 331.3928456657.

The spelling of 36393966 in words is "thirty-six million, three hundred ninety-three thousand, nine hundred sixty-six".