38542775 has 12 divisors (see below), whose sum is σ = 47877144. Its totient is φ = 30780000.

The previous prime is 38542771. The next prime is 38542781. The reversal of 38542775 is 57724583.

It is not a de Polignac number, because 38542775 - 2² = 38542771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38542771) 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, 19325 + ... + 21225.

It is an arithmetic number, because the mean of its divisors is an integer number (3989762).

Almost surely, 2^38542775 is an apocalyptic number.

38542775 is a deficient number, since it is larger than the sum of its proper divisors (9334369).

38542775 is a wasteful number, since it uses less digits than its factorization.

38542775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2722 (or 2717 counting only the distinct ones).

The product of its digits is 235200, while the sum is 41.

The square root of 38542775 is about 6208.2827738433. The cubic root of 38542775 is about 337.7906777890.

The spelling of 38542775 in words is "thirty-eight million, five hundred forty-two thousand, seven hundred seventy-five".