36803440 has 40 divisors (see below), whose sum is σ = 85829328. Its totient is φ = 14676480.

The previous prime is 36803411. The next prime is 36803441. The reversal of 36803440 is 4430863.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 36803399 and 36803408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36803441) 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, 41239 + ... + 42121.

Almost surely, 2^36803440 is an apocalyptic number.

It is an amenable number.

36803440 is an abundant number, since it is smaller than the sum of its proper divisors (49025888).

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

36803440 is a wasteful number, since it uses less digits than its factorization.

36803440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417 (or 1411 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 36803440 is about 6066.5838822191. The cubic root of 36803440 is about 332.6310637134.

The spelling of 36803440 in words is "thirty-six million, eight hundred three thousand, four hundred forty".