36821390 has 16 divisors (see below), whose sum is σ = 69160608. Its totient is φ = 14088096.

The previous prime is 36821383. The next prime is 36821429. The reversal of 36821390 is 9312863.

36821390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79817 + ... + 80276.

It is an arithmetic number, because the mean of its divisors is an integer number (4322538).

Almost surely, 2^36821390 is an apocalyptic number.

36821390 is a deficient number, since it is larger than the sum of its proper divisors (32339218).

36821390 is a wasteful number, since it uses less digits than its factorization.

36821390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160123.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 36821390 is about 6068.0631176678. The cubic root of 36821390 is about 332.6851325465.

The spelling of 36821390 in words is "thirty-six million, eight hundred twenty-one thousand, three hundred ninety".