38120810 has 64 divisors (see below), whose sum is σ = 85300992. Its totient is φ = 11943936.

The previous prime is 38120809. The next prime is 38120813. The reversal of 38120810 is 1802183.

38120810 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×38120810² = 2906392310112200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38120813) 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 31 ways as a sum of consecutive naturals, for example, 148202 + ... + 148458.

It is an arithmetic number, because the mean of its divisors is an integer number (1332828).

Almost surely, 2^38120810 is an apocalyptic number.

38120810 is an abundant number, since it is smaller than the sum of its proper divisors (47180182).

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

38120810 is a wasteful number, since it uses less digits than its factorization.

38120810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 38120810 is about 6174.2052120091. The cubic root of 38120810 is about 336.5534447014.

Adding to 38120810 its reverse (1802183), we get a palindrome (39922993).

The spelling of 38120810 in words is "thirty-eight million, one hundred twenty thousand, eight hundred ten".