38820837 has 16 divisors (see below), whose sum is σ = 57185280. Its totient is φ = 23228400.

The previous prime is 38820797. The next prime is 38820841. The reversal of 38820837 is 73802883.

It is a happy number.

38820837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38820837 - 2⁷ = 38820709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38820795 and 38820804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38820037) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4839 + ... + 10052.

It is an arithmetic number, because the mean of its divisors is an integer number (3574080).

Almost surely, 2^38820837 is an apocalyptic number.

It is an amenable number.

38820837 is a deficient number, since it is larger than the sum of its proper divisors (18364443).

38820837 is a wasteful number, since it uses less digits than its factorization.

38820837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14984.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 38820837 is about 6230.6369658326. The cubic root of 38820837 is about 338.6010482425.

The spelling of 38820837 in words is "thirty-eight million, eight hundred twenty thousand, eight hundred thirty-seven".