36028391 has 8 divisors (see below), whose sum is σ = 41672064. Its totient is φ = 30508920.

The previous prime is 36028339. The next prime is 36028403. The reversal of 36028391 is 19382063.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36028391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36028301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30425 + ... + 31586.

It is an arithmetic number, because the mean of its divisors is an integer number (5209008).

Almost surely, 2^36028391 is an apocalyptic number.

36028391 is a deficient number, since it is larger than the sum of its proper divisors (5643673).

36028391 is an equidigital number, since it uses as much as digits as its factorization.

36028391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62101.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 36028391 is about 6002.3654503870. The cubic root of 36028391 is about 330.2795030225.

The spelling of 36028391 in words is "thirty-six million, twenty-eight thousand, three hundred ninety-one".