38749107 has 4 divisors (see below), whose sum is σ = 51665480. Its totient is φ = 25832736.

The previous prime is 38749049. The next prime is 38749111. The reversal of 38749107 is 70194783.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 38749107 - 2⁷ = 38748979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38749147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6458182 + ... + 6458187.

It is an arithmetic number, because the mean of its divisors is an integer number (12916370).

Almost surely, 2^38749107 is an apocalyptic number.

38749107 is a deficient number, since it is larger than the sum of its proper divisors (12916373).

38749107 is a wasteful number, since it uses less digits than its factorization.

38749107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12916372.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 38749107 is about 6224.8780710950. The cubic root of 38749107 is about 338.3923731298.

It can be divided in two parts, 387 and 49107, that added together give a palindrome (49494).

The spelling of 38749107 in words is "thirty-eight million, seven hundred forty-nine thousand, one hundred seven".