39748142 has 16 divisors (see below), whose sum is σ = 72148320. Its totient is φ = 16032768.

The previous prime is 39748141. The next prime is 39748187. The reversal of 39748142 is 24184793.

It is a junction number, because it is equal to n+sod(n) for n = 39748096 and 39748105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39748141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83267 + ... + 83742.

It is an arithmetic number, because the mean of its divisors is an integer number (4509270).

Almost surely, 2^39748142 is an apocalyptic number.

39748142 is a deficient number, since it is larger than the sum of its proper divisors (32400178).

39748142 is a wasteful number, since it uses less digits than its factorization.

39748142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167035.

The product of its digits is 48384, while the sum is 38.

The square root of 39748142 is about 6304.6127557527. The cubic root of 39748142 is about 341.2758923405.

The spelling of 39748142 in words is "thirty-nine million, seven hundred forty-eight thousand, one hundred forty-two".