36811798 has 4 divisors (see below), whose sum is σ = 55217700. Its totient is φ = 18405898.

The previous prime is 36811771. The next prime is 36811813. The reversal of 36811798 is 89711863.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89711863 = 19 ⋅4721677.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 9202948 + ... + 9202951.

It is an arithmetic number, because the mean of its divisors is an integer number (13804425).

Almost surely, 2^36811798 is an apocalyptic number.

36811798 is a deficient number, since it is larger than the sum of its proper divisors (18405902).

36811798 is a wasteful number, since it uses less digits than its factorization.

36811798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18405901.

The product of its digits is 72576, while the sum is 43.

The square root of 36811798 is about 6067.2726986678. The cubic root of 36811798 is about 332.6562417946.

The spelling of 36811798 in words is "thirty-six million, eight hundred eleven thousand, seven hundred ninety-eight".