36085731 has 32 divisors (see below), whose sum is σ = 56140800. Its totient is φ = 20386080.

The previous prime is 36085717. The next prime is 36085733. The reversal of 36085731 is 13758063.

It is a happy number.

It is not a de Polignac number, because 36085731 - 2⁶ = 36085667 is a prime.

It is a super-2 number, since 2×36085731² = 2604359963608722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 36085692 and 36085701.

It is not an unprimeable number, because it can be changed into a prime (36085733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41580 + ... + 42438.

It is an arithmetic number, because the mean of its divisors is an integer number (1754400).

Almost surely, 2^36085731 is an apocalyptic number.

36085731 is a deficient number, since it is larger than the sum of its proper divisors (20055069).

36085731 is a wasteful number, since it uses less digits than its factorization.

36085731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 36085731 is about 6007.1400016980. The cubic root of 36085731 is about 330.4546259203.

It can be divided in two parts, 3608 and 5731, that added together give a palindrome (9339).

The spelling of 36085731 in words is "thirty-six million, eighty-five thousand, seven hundred thirty-one".