36497989 has 8 divisors (see below), whose sum is σ = 39863232. Its totient is φ = 33140640.

The previous prime is 36497977. The next prime is 36498001. The reversal of 36497989 is 98979463.

It is an interprime number because it is at equal distance from previous prime (36497977) and next prime (36498001).

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 36497989 - 2¹⁹ = 35973701 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 (36497959) 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, 12097 + ... + 14809.

It is an arithmetic number, because the mean of its divisors is an integer number (4982904).

Almost surely, 2^36497989 is an apocalyptic number.

It is an amenable number.

36497989 is a deficient number, since it is larger than the sum of its proper divisors (3365243).

36497989 is a wasteful number, since it uses less digits than its factorization.

36497989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3947.

The product of its digits is 2939328, while the sum is 55.

The square root of 36497989 is about 6041.3565529606. The cubic root of 36497989 is about 331.7082796986.

The spelling of 36497989 in words is "thirty-six million, four hundred ninety-seven thousand, nine hundred eighty-nine".