38120047 has 4 divisors (see below), whose sum is σ = 43565776. Its totient is φ = 32674320.

The previous prime is 38119999. The next prime is 38120051. The reversal of 38120047 is 74002183.

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

It is not a de Polignac number, because 38120047 - 2²³ = 29731439 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 (38120057) 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, 2722854 + ... + 2722867.

It is an arithmetic number, because the mean of its divisors is an integer number (10891444).

Almost surely, 2^38120047 is an apocalyptic number.

38120047 is a deficient number, since it is larger than the sum of its proper divisors (5445729).

38120047 is an equidigital number, since it uses as much as digits as its factorization.

38120047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5445728.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 38120047 is about 6174.1434223704. The cubic root of 38120047 is about 336.5511992788.

The spelling of 38120047 in words is "thirty-eight million, one hundred twenty thousand, forty-seven".