38742111 has 16 divisors (see below), whose sum is σ = 57957120. Its totient is φ = 25575480.

The previous prime is 38742107. The next prime is 38742113. The reversal of 38742111 is 11124783.

It is not a de Polignac number, because 38742111 - 2² = 38742107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38742113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4185 + ... + 9746.

It is an arithmetic number, because the mean of its divisors is an integer number (3622320).

Almost surely, 2^38742111 is an apocalyptic number.

38742111 is a deficient number, since it is larger than the sum of its proper divisors (19215009).

38742111 is a wasteful number, since it uses less digits than its factorization.

38742111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14043 (or 14037 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 38742111 is about 6224.3161070113. The cubic root of 38742111 is about 338.3720067634.

Adding to 38742111 its reverse (11124783), we get a palindrome (49866894).

The spelling of 38742111 in words is "thirty-eight million, seven hundred forty-two thousand, one hundred eleven".