36479981 has 8 divisors (see below), whose sum is σ = 38633280. Its totient is φ = 34350048.

The previous prime is 36479957. The next prime is 36479983. The reversal of 36479981 is 18997463.

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 36479981 - 2⁶ = 36479917 is a prime.

It is a super-2 number, since 2×36479981² = 2661578027520722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36479983) 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, 2576 + ... + 8921.

It is an arithmetic number, because the mean of its divisors is an integer number (4829160).

Almost surely, 2^36479981 is an apocalyptic number.

It is an amenable number.

36479981 is a deficient number, since it is larger than the sum of its proper divisors (2153299).

36479981 is a wasteful number, since it uses less digits than its factorization.

36479981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11683.

The product of its digits is 326592, while the sum is 47.

The square root of 36479981 is about 6039.8659753342. The cubic root of 36479981 is about 331.6537160952.

The spelling of 36479981 in words is "thirty-six million, four hundred seventy-nine thousand, nine hundred eighty-one".