38206490 has 32 divisors (see below), whose sum is σ = 79346304. Its totient is φ = 12974400.

The previous prime is 38206447. The next prime is 38206499. The reversal of 38206490 is 9460283.

38206490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38206499) 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, 4940 + ... + 10040.

It is an arithmetic number, because the mean of its divisors is an integer number (2479572).

Almost surely, 2^38206490 is an apocalyptic number.

38206490 is an abundant number, since it is smaller than the sum of its proper divisors (41139814).

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

38206490 is a wasteful number, since it uses less digits than its factorization.

38206490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5222.

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

The square root of 38206490 is about 6181.1398625173. The cubic root of 38206490 is about 336.8054008928.

The spelling of 38206490 in words is "thirty-eight million, two hundred six thousand, four hundred ninety".