39846442 has 16 divisors (see below), whose sum is σ = 62580672. Its totient is φ = 18992160.

The previous prime is 39846431. The next prime is 39846449. The reversal of 39846442 is 24464893.

It is a junction number, because it is equal to n+sod(n) for n = 39846395 and 39846404.

It is not an unprimeable number, because it can be changed into a prime (39846449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13918 + ... + 16534.

It is an arithmetic number, because the mean of its divisors is an integer number (3911292).

Almost surely, 2^39846442 is an apocalyptic number.

39846442 is a deficient number, since it is larger than the sum of its proper divisors (22734230).

39846442 is a wasteful number, since it uses less digits than its factorization.

39846442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2973.

The product of its digits is 165888, while the sum is 40.

The square root of 39846442 is about 6312.4038210495. The cubic root of 39846442 is about 341.5569939753.

The spelling of 39846442 in words is "thirty-nine million, eight hundred forty-six thousand, four hundred forty-two".