36497881 has 8 divisors (see below), whose sum is σ = 43057664. Its totient is φ = 30274560.

The previous prime is 36497869. The next prime is 36497891. The reversal of 36497881 is 18879463.

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 36497881 - 2¹³ = 36489689 is a prime.

It is a super-2 number, since 2×36497881² = 2664190634980322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36497801) 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, 83880 + ... + 84313.

It is an arithmetic number, because the mean of its divisors is an integer number (5382208).

Almost surely, 2^36497881 is an apocalyptic number.

36497881 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

36497881 is a deficient number, since it is larger than the sum of its proper divisors (6559783).

36497881 is a wasteful number, since it uses less digits than its factorization.

36497881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168231.

The product of its digits is 290304, while the sum is 46.

The square root of 36497881 is about 6041.3476145642. The cubic root of 36497881 is about 331.7079525159.

The spelling of 36497881 in words is "thirty-six million, four hundred ninety-seven thousand, eight hundred eighty-one".