36421418 has 16 divisors (see below), whose sum is σ = 60181056. Its totient is φ = 16393440.

The previous prime is 36421417. The next prime is 36421433. The reversal of 36421418 is 81412463.

36421418 = 67² + 68² + ... + 478².

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36421417) 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, 5771 + ... + 10302.

It is an arithmetic number, because the mean of its divisors is an integer number (3761316).

Almost surely, 2^36421418 is an apocalyptic number.

36421418 is a deficient number, since it is larger than the sum of its proper divisors (23759638).

36421418 is a wasteful number, since it uses less digits than its factorization.

36421418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16189.

The product of its digits is 4608, while the sum is 29.

The square root of 36421418 is about 6035.0159900368. The cubic root of 36421418 is about 331.4761480275.

The spelling of 36421418 in words is "thirty-six million, four hundred twenty-one thousand, four hundred eighteen".