39219946 has 8 divisors (see below), whose sum is σ = 58879044. Its totient is φ = 19593600.

The previous prime is 39219941. The next prime is 39219953. The reversal of 39219946 is 64991293.

It can be written as a sum of positive squares in 2 ways, for example, as 33767721 + 5452225 = 5811^2 + 2335^2 .

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

It is not an unprimeable number, because it can be changed into a prime (39219941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4935 + ... + 10138.

Almost surely, 2^39219946 is an apocalyptic number.

39219946 is a deficient number, since it is larger than the sum of its proper divisors (19659098).

39219946 is a wasteful number, since it uses less digits than its factorization.

39219946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16376.

The product of its digits is 104976, while the sum is 43.

The square root of 39219946 is about 6262.5830134219. The cubic root of 39219946 is about 339.7574567777.

The spelling of 39219946 in words is "thirty-nine million, two hundred nineteen thousand, nine hundred forty-six".