36680381 has 8 divisors (see below), whose sum is σ = 37161600. Its totient is φ = 36202608.

The previous prime is 36680327. The next prime is 36680401. The reversal of 36680381 is 18308663.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36680381 - 2¹⁸ = 36418237 is a prime.

It is a super-2 number, since 2×36680381² = 2690900700610322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36680321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25520 + ... + 26918.

It is an arithmetic number, because the mean of its divisors is an integer number (4645200).

Almost surely, 2^36680381 is an apocalyptic number.

It is an amenable number.

36680381 is a deficient number, since it is larger than the sum of its proper divisors (481219).

36680381 is a wasteful number, since it uses less digits than its factorization.

36680381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 36680381 is about 6056.4330261301. The cubic root of 36680381 is about 332.2599122341.

The spelling of 36680381 in words is "thirty-six million, six hundred eighty thousand, three hundred eighty-one".