36404220 has 24 divisors (see below), whose sum is σ = 101931984. Its totient is φ = 9707776.

The previous prime is 36404219. The next prime is 36404233. The reversal of 36404220 is 2240463.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303309 + ... + 303428.

It is an arithmetic number, because the mean of its divisors is an integer number (4247166).

Almost surely, 2^36404220 is an apocalyptic number.

36404220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

36404220 is an abundant number, since it is smaller than the sum of its proper divisors (65527764).

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

36404220 is a wasteful number, since it uses less digits than its factorization.

36404220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606749 (or 606747 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 36404220 is about 6033.5909705581. The cubic root of 36404220 is about 331.4239660549.

Adding to 36404220 its reverse (2240463), we get a palindrome (38644683).

The spelling of 36404220 in words is "thirty-six million, four hundred four thousand, two hundred twenty".