36689810 has 8 divisors (see below), whose sum is σ = 66041676. Its totient is φ = 14675920.

The previous prime is 36689797. The next prime is 36689813. The reversal of 36689810 is 1898663.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 31685641 + 5004169 = 5629^2 + 2237^2 .

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

It is a super-2 number, since 2×36689810² = 2692284315672200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36689813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1834481 + ... + 1834500.

Almost surely, 2^36689810 is an apocalyptic number.

36689810 is a deficient number, since it is larger than the sum of its proper divisors (29351866).

36689810 is a wasteful number, since it uses less digits than its factorization.

36689810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3668988.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 36689810 is about 6057.2114045987. The cubic root of 36689810 is about 332.2883798620.

The spelling of 36689810 in words is "thirty-six million, six hundred eighty-nine thousand, eight hundred ten".