39538742 has 8 divisors (see below), whose sum is σ = 60427296. Its totient is φ = 19396312.

The previous prime is 39538739. The next prime is 39538799. The reversal of 39538742 is 24783593.

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

It is a self number, because there is not a number n which added to its sum of digits gives 39538742.

It is a congruent number.

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, 186398 + ... + 186609.

It is an arithmetic number, because the mean of its divisors is an integer number (7553412).

Almost surely, 2^39538742 is an apocalyptic number.

39538742 is a deficient number, since it is larger than the sum of its proper divisors (20888554).

39538742 is a wasteful number, since it uses less digits than its factorization.

39538742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373062.

The product of its digits is 181440, while the sum is 41.

The square root of 39538742 is about 6287.9839376385. The cubic root of 39538742 is about 340.6755369508.

The spelling of 39538742 in words is "thirty-nine million, five hundred thirty-eight thousand, seven hundred forty-two".