36212993 has 6 divisors (see below), whose sum is σ = 38219634. Its totient is φ = 34306704.

The previous prime is 36212989. The next prime is 36212999. The reversal of 36212993 is 39921263.

It can be written as a sum of positive squares in only one way, i.e., 22202944 + 14010049 = 4712^2 + 3743^2 .

It is not a de Polignac number, because 36212993 - 2² = 36212989 is a prime.

It is a super-2 number, since 2×36212993² = 2622761724036098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36212999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49796 + ... + 50517.

It is an arithmetic number, because the mean of its divisors is an integer number (6369939).

Almost surely, 2^36212993 is an apocalyptic number.

It is an amenable number.

36212993 is a deficient number, since it is larger than the sum of its proper divisors (2006641).

36212993 is a wasteful number, since it uses less digits than its factorization.

36212993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100351 (or 100332 counting only the distinct ones).

The product of its digits is 17496, while the sum is 35.

The square root of 36212993 is about 6017.7232405620. The cubic root of 36212993 is about 330.8426368692.

The spelling of 36212993 in words is "thirty-six million, two hundred twelve thousand, nine hundred ninety-three".