38691342 has 24 divisors (see below), whose sum is σ = 84074016. Its totient is φ = 12859776.

The previous prime is 38691329. The next prime is 38691343. The reversal of 38691342 is 24319683.

It is a junction number, because it is equal to n+sod(n) for n = 38691297 and 38691306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38691343) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3678 + ... + 9534.

It is an arithmetic number, because the mean of its divisors is an integer number (3503084).

Almost surely, 2^38691342 is an apocalyptic number.

38691342 is an abundant number, since it is smaller than the sum of its proper divisors (45382674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38691342 is a wasteful number, since it uses less digits than its factorization.

38691342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6232 (or 6229 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 38691342 is about 6220.2364906810. The cubic root of 38691342 is about 338.2241373664.

The spelling of 38691342 in words is "thirty-eight million, six hundred ninety-one thousand, three hundred forty-two".