38542844 has 6 divisors (see below), whose sum is σ = 67449984. Its totient is φ = 19271420.

The previous prime is 38542841. The next prime is 38542879. The reversal of 38542844 is 44824583.

It is a junction number, because it is equal to n+sod(n) for n = 38542798 and 38542807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38542841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4817852 + ... + 4817859.

It is an arithmetic number, because the mean of its divisors is an integer number (11241664).

Almost surely, 2^38542844 is an apocalyptic number.

It is an amenable number.

38542844 is a deficient number, since it is larger than the sum of its proper divisors (28907140).

38542844 is a wasteful number, since it uses less digits than its factorization.

38542844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9635715 (or 9635713 counting only the distinct ones).

The product of its digits is 122880, while the sum is 38.

The square root of 38542844 is about 6208.2883309331. The cubic root of 38542844 is about 337.7908793619.

The spelling of 38542844 in words is "thirty-eight million, five hundred forty-two thousand, eight hundred forty-four".