38164450 has 24 divisors (see below), whose sum is σ = 71187408. Its totient is φ = 15222480.

The previous prime is 38164433. The next prime is 38164459. The reversal of 38164450 is 5446183.

It is a happy number.

38164450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (38164459) 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 11 ways as a sum of consecutive naturals, for example, 21289 + ... + 23011.

It is an arithmetic number, because the mean of its divisors is an integer number (2966142).

It is a vampire number, since it can be written as 4430 ⋅ 8615 (with its own digits).

Almost surely, 2^38164450 is an apocalyptic number.

38164450 is a deficient number, since it is larger than the sum of its proper divisors (33022958).

38164450 is a wasteful number, since it uses less digits than its factorization.

38164450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178 (or 2173 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 38164450 is about 6177.7382592661. The cubic root of 38164450 is about 336.6818224505.

The spelling of 38164450 in words is "thirty-eight million, one hundred sixty-four thousand, four hundred fifty".