38749911 has 8 divisors (see below), whose sum is σ = 54385920. Its totient is φ = 24473592.

The previous prime is 38749901. The next prime is 38749927. The reversal of 38749911 is 11994783.

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 38749911 - 2¹⁰ = 38748887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38749901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339855 + ... + 339968.

It is an arithmetic number, because the mean of its divisors is an integer number (6798240).

Almost surely, 2^38749911 is an apocalyptic number.

38749911 is a deficient number, since it is larger than the sum of its proper divisors (15636009).

38749911 is a wasteful number, since it uses less digits than its factorization.

38749911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679845.

The product of its digits is 54432, while the sum is 42.

The square root of 38749911 is about 6224.9426503382. The cubic root of 38749911 is about 338.3947135329.

The spelling of 38749911 in words is "thirty-eight million, seven hundred forty-nine thousand, nine hundred eleven".