38447141 has 4 divisors (see below), whose sum is σ = 39077484. Its totient is φ = 37816800.

The previous prime is 38447137. The next prime is 38447153. The reversal of 38447141 is 14174483.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16638241 + 21808900 = 4079^2 + 4670^2 .

It is a cyclic number.

It is not a de Polignac number, because 38447141 - 2² = 38447137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38447098 and 38447107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38447341) 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, 315080 + ... + 315201.

It is an arithmetic number, because the mean of its divisors is an integer number (9769371).

Almost surely, 2^38447141 is an apocalyptic number.

It is an amenable number.

38447141 is a deficient number, since it is larger than the sum of its proper divisors (630343).

38447141 is an equidigital number, since it uses as much as digits as its factorization.

38447141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630342.

The product of its digits is 10752, while the sum is 32.

The square root of 38447141 is about 6200.5758603536. The cubic root of 38447141 is about 337.5110661209.

The spelling of 38447141 in words is "thirty-eight million, four hundred forty-seven thousand, one hundred forty-one".