36646938 has 16 divisors (see below), whose sum is σ = 81437760. Its totient is φ = 12215628.

The previous prime is 36646937. The next prime is 36646969. The reversal of 36646938 is 83964663.

It is a junction number, because it is equal to n+sod(n) for n = 36646893 and 36646902.

It is not an unprimeable number, because it can be changed into a prime (36646937) 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 in 7 ways as a sum of consecutive naturals, for example, 339270 + ... + 339377.

It is an arithmetic number, because the mean of its divisors is an integer number (5089860).

Almost surely, 2^36646938 is an apocalyptic number.

36646938 is an abundant number, since it is smaller than the sum of its proper divisors (44790822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36646938 is a wasteful number, since it uses less digits than its factorization.

36646938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678658 (or 678652 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 36646938 is about 6053.6714479727. The cubic root of 36646938 is about 332.1589032236.

The spelling of 36646938 in words is "thirty-six million, six hundred forty-six thousand, nine hundred thirty-eight".