39161942 has 8 divisors (see below), whose sum is σ = 59324832. Its totient is φ = 19387000.

The previous prime is 39161921. The next prime is 39161957. The reversal of 39161942 is 24916193.

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

It is a super-2 number, since 2×39161942² = 3067315402422728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 96734 + ... + 97137.

It is an arithmetic number, because the mean of its divisors is an integer number (7415604).

Almost surely, 2^39161942 is an apocalyptic number.

39161942 is a deficient number, since it is larger than the sum of its proper divisors (20162890).

39161942 is a wasteful number, since it uses less digits than its factorization.

39161942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193974.

The product of its digits is 11664, while the sum is 35.

The square root of 39161942 is about 6257.9503034140. The cubic root of 39161942 is about 339.5898803544.

The spelling of 39161942 in words is "thirty-nine million, one hundred sixty-one thousand, nine hundred forty-two".