36098989 has 4 divisors (see below), whose sum is σ = 36780156. Its totient is φ = 35417824.

The previous prime is 36098977. The next prime is 36099001. The reversal of 36098989 is 98989063.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (36098977) and next prime (36099001).

It can be written as a sum of positive squares in 2 ways, for example, as 14402025 + 21696964 = 3795^2 + 4658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36098989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36098929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340504 + ... + 340609.

It is an arithmetic number, because the mean of its divisors is an integer number (9195039).

Almost surely, 2^36098989 is an apocalyptic number.

It is an amenable number.

36098989 is a deficient number, since it is larger than the sum of its proper divisors (681167).

36098989 is an equidigital number, since it uses as much as digits as its factorization.

36098989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681166.

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 36098989 is about 6008.2434205015. The cubic root of 36098989 is about 330.4950909542.

The spelling of 36098989 in words is "thirty-six million, ninety-eight thousand, nine hundred eighty-nine".