38639342 has 24 divisors (see below), whose sum is σ = 67654440. Its totient is φ = 16502640.

The previous prime is 38639329. The next prime is 38639347. The reversal of 38639342 is 24393683.

It is a junction number, because it is equal to n+sod(n) for n = 38639296 and 38639305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38639347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40592 + ... + 41532.

It is an arithmetic number, because the mean of its divisors is an integer number (2818935).

Almost surely, 2^38639342 is an apocalyptic number.

38639342 is a deficient number, since it is larger than the sum of its proper divisors (29015098).

38639342 is a wasteful number, since it uses less digits than its factorization.

38639342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376 (or 1369 counting only the distinct ones).

The product of its digits is 93312, while the sum is 38.

The square root of 38639342 is about 6216.0551799353. The cubic root of 38639342 is about 338.0725484129.

The spelling of 38639342 in words is "thirty-eight million, six hundred thirty-nine thousand, three hundred forty-two".