36390538 has 4 divisors (see below), whose sum is σ = 54585810. Its totient is φ = 18195268.

The previous prime is 36390503. The next prime is 36390539. The reversal of 36390538 is 83509363.

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

It can be written as a sum of positive squares in only one way, i.e., 19686969 + 16703569 = 4437^2 + 4087^2 .

It is a junction number, because it is equal to n+sod(n) for n = 36390497 and 36390506.

It is not an unprimeable number, because it can be changed into a prime (36390539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9097633 + ... + 9097636.

Almost surely, 2^36390538 is an apocalyptic number.

36390538 is a deficient number, since it is larger than the sum of its proper divisors (18195272).

36390538 is a wasteful number, since it uses less digits than its factorization.

36390538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18195271.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 36390538 is about 6032.4570450191. The cubic root of 36390538 is about 331.3824405495.

The spelling of 36390538 in words is "thirty-six million, three hundred ninety thousand, five hundred thirty-eight".