38219805 has 48 divisors (see below), whose sum is σ = 72334080. Its totient is φ = 18555264.

The previous prime is 38219803. The next prime is 38219809. The reversal of 38219805 is 50891283.

It is not a de Polignac number, because 38219805 - 2¹ = 38219803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38219805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38219803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45802 + ... + 46628.

It is an arithmetic number, because the mean of its divisors is an integer number (1506960).

Almost surely, 2^38219805 is an apocalyptic number.

It is an amenable number.

38219805 is a deficient number, since it is larger than the sum of its proper divisors (34114275).

38219805 is a wasteful number, since it uses less digits than its factorization.

38219805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930 (or 927 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 38219805 is about 6182.2168354078. The cubic root of 38219805 is about 336.8445220217.

The spelling of 38219805 in words is "thirty-eight million, two hundred nineteen thousand, eight hundred five".