38542942 has 4 divisors (see below), whose sum is σ = 57814416. Its totient is φ = 19271470.

The previous prime is 38542939. The next prime is 38542957. The reversal of 38542942 is 24924583.

It is a happy number.

38542942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24924583 = 167 ⋅149249.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9635734 + ... + 9635737.

It is an arithmetic number, because the mean of its divisors is an integer number (14453604).

Almost surely, 2^38542942 is an apocalyptic number.

38542942 is a deficient number, since it is larger than the sum of its proper divisors (19271474).

38542942 is a wasteful number, since it uses less digits than its factorization.

38542942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19271473.

The product of its digits is 69120, while the sum is 37.

The square root of 38542942 is about 6208.2962236027. The cubic root of 38542942 is about 337.7911656535.

The spelling of 38542942 in words is "thirty-eight million, five hundred forty-two thousand, nine hundred forty-two".