36280981 has 8 divisors (see below), whose sum is σ = 39625344. Its totient is φ = 32944320.

The previous prime is 36280963. The next prime is 36280999. The reversal of 36280981 is 18908263.

It is an interprime number because it is at equal distance from previous prime (36280963) and next prime (36280999).

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 36280981 - 2⁹ = 36280469 is a prime.

It is a super-2 number, since 2×36280981² = 2632619164644722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 36280981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36280901) 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, 12996 + ... + 15538.

It is an arithmetic number, because the mean of its divisors is an integer number (4953168).

Almost surely, 2^36280981 is an apocalyptic number.

It is an amenable number.

36280981 is a deficient number, since it is larger than the sum of its proper divisors (3344363).

36280981 is a wasteful number, since it uses less digits than its factorization.

36280981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3851.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 36280981 is about 6023.3695719257. The cubic root of 36280981 is about 331.0495540124.

The spelling of 36280981 in words is "thirty-six million, two hundred eighty thousand, nine hundred eighty-one".