38142933 has 8 divisors (see below), whose sum is σ = 50959200. Its totient is φ = 25377648.

The previous prime is 38142889. The next prime is 38142941. The reversal of 38142933 is 33924183.

It is a happy number.

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

It is not a de Polignac number, because 38142933 - 2⁶ = 38142869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38142894 and 38142903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38142233) 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 7 ways as a sum of consecutive naturals, for example, 10963 + ... + 14016.

It is an arithmetic number, because the mean of its divisors is an integer number (6369900).

Almost surely, 2^38142933 is an apocalyptic number.

It is an amenable number.

38142933 is a deficient number, since it is larger than the sum of its proper divisors (12816267).

38142933 is a wasteful number, since it uses less digits than its factorization.

38142933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25491.

The product of its digits is 15552, while the sum is 33.

The square root of 38142933 is about 6175.9965187814. The cubic root of 38142933 is about 336.6185371623.

The spelling of 38142933 in words is "thirty-eight million, one hundred forty-two thousand, nine hundred thirty-three".