36840456 has 48 divisors (see below), whose sum is σ = 102480300. Its totient is φ = 11947392.

The previous prime is 36840451. The next prime is 36840473. The reversal of 36840456 is 65404863.

It can be written as a sum of positive squares in 2 ways, for example, as 36796356 + 44100 = 6066^2 + 210^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 36840456.

It is not an unprimeable number, because it can be changed into a prime (36840451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4251 + ... + 9578.

Almost surely, 2^36840456 is an apocalyptic number.

36840456 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

36840456 is an abundant number, since it is smaller than the sum of its proper divisors (65639844).

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

36840456 is a wasteful number, since it uses less digits than its factorization.

36840456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13878 (or 13871 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 36840456 is about 6069.6339263583. The cubic root of 36840456 is about 332.7425437438.

The spelling of 36840456 in words is "thirty-six million, eight hundred forty thousand, four hundred fifty-six".