39218042 has 8 divisors (see below), whose sum is σ = 58976436. Its totient is φ = 19559232.

The previous prime is 39218029. The next prime is 39218077. The reversal of 39218042 is 24081293.

It can be written as a sum of positive squares in 2 ways, for example, as 36590401 + 2627641 = 6049^2 + 1621^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 39217996 and 39218014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23903 + ... + 25490.

Almost surely, 2^39218042 is an apocalyptic number.

39218042 is a deficient number, since it is larger than the sum of its proper divisors (19758394).

39218042 is a wasteful number, since it uses less digits than its factorization.

39218042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49792.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 39218042 is about 6262.4309976238. The cubic root of 39218042 is about 339.7519586513.

The spelling of 39218042 in words is "thirty-nine million, two hundred eighteen thousand, forty-two".