36391965 has 8 divisors (see below), whose sum is σ = 58227168. Its totient is φ = 19409040.

The previous prime is 36391963. The next prime is 36391981. The reversal of 36391965 is 56919363.

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

It is not a de Polignac number, because 36391965 - 2¹ = 36391963 is a prime.

It is a super-2 number, since 2×36391965² = 2648750233122450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36391961) 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, 1213051 + ... + 1213080.

It is an arithmetic number, because the mean of its divisors is an integer number (7278396).

Almost surely, 2^36391965 is an apocalyptic number.

It is an amenable number.

36391965 is a deficient number, since it is larger than the sum of its proper divisors (21835203).

36391965 is a wasteful number, since it uses less digits than its factorization.

36391965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426139.

The product of its digits is 131220, while the sum is 42.

The square root of 36391965 is about 6032.5753207067. The cubic root of 36391965 is about 331.3867720468.

The spelling of 36391965 in words is "thirty-six million, three hundred ninety-one thousand, nine hundred sixty-five".