38505673 has 4 divisors (see below), whose sum is σ = 38627460. Its totient is φ = 38383888.

The previous prime is 38505661. The next prime is 38505679. The reversal of 38505673 is 37650583.

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 14417209 + 24088464 = 3797^2 + 4908^2 .

It is a cyclic number.

It is not a de Polignac number, because 38505673 - 2⁹ = 38505161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38505679) 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, 60418 + ... + 61051.

It is an arithmetic number, because the mean of its divisors is an integer number (9656865).

Almost surely, 2^38505673 is an apocalyptic number.

It is an amenable number.

38505673 is a deficient number, since it is larger than the sum of its proper divisors (121787).

38505673 is a wasteful number, since it uses less digits than its factorization.

38505673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121786.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 38505673 is about 6205.2939495241. The cubic root of 38505673 is about 337.6822551054.

The spelling of 38505673 in words is "thirty-eight million, five hundred five thousand, six hundred seventy-three".