36813803 has 8 divisors (see below), whose sum is σ = 39836496. Its totient is φ = 33818400.

The previous prime is 36813797. The next prime is 36813809. The reversal of 36813803 is 30831863.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (36813797) and next prime (36813809).

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

It is a cyclic number.

It is not a de Polignac number, because 36813803 - 2⁶ = 36813739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36813803.

It is not an unprimeable number, because it can be changed into a prime (36813809) 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, 3968 + ... + 9453.

It is an arithmetic number, because the mean of its divisors is an integer number (4979562).

Almost surely, 2^36813803 is an apocalyptic number.

36813803 is a deficient number, since it is larger than the sum of its proper divisors (3022693).

36813803 is a wasteful number, since it uses less digits than its factorization.

36813803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13645.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 36813803 is about 6067.4379271650. The cubic root of 36813803 is about 332.6622811959.

The spelling of 36813803 in words is "thirty-six million, eight hundred thirteen thousand, eight hundred three".