39942102 has 8 divisors (see below), whose sum is σ = 79884216. Its totient is φ = 13314032.

The previous prime is 39942079. The next prime is 39942103. The reversal of 39942102 is 20124993.

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

39942102 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 39942102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39942103) 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, 3328503 + ... + 3328514.

It is an arithmetic number, because the mean of its divisors is an integer number (9985527).

Almost surely, 2^39942102 is an apocalyptic number.

39942102 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.

39942102 is a wasteful number, since it uses less digits than its factorization.

39942102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6657022.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 39942102 is about 6319.9764240067. The cubic root of 39942102 is about 341.8301026792.

The spelling of 39942102 in words is "thirty-nine million, nine hundred forty-two thousand, one hundred two".