38219946 has 8 divisors (see below), whose sum is σ = 76439904. Its totient is φ = 12739980.

The previous prime is 38219917. The next prime is 38219947. The reversal of 38219946 is 64991283.

It is a sphenic number, since it is the product of 3 distinct primes.

38219946 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 38219898 and 38219907.

It is not an unprimeable number, because it can be changed into a prime (38219947) 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 3 ways as a sum of consecutive naturals, for example, 3184990 + ... + 3185001.

It is an arithmetic number, because the mean of its divisors is an integer number (9554988).

Almost surely, 2^38219946 is an apocalyptic number.

38219946 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

38219946 is a wasteful number, since it uses less digits than its factorization.

38219946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6369996.

The product of its digits is 93312, while the sum is 42.

The square root of 38219946 is about 6182.2282390737. The cubic root of 38219946 is about 336.8449362487.

The spelling of 38219946 in words is "thirty-eight million, two hundred nineteen thousand, nine hundred forty-six".