38641774 has 4 divisors (see below), whose sum is σ = 57962664. Its totient is φ = 19320886.

The previous prime is 38641769. The next prime is 38641807. The reversal of 38641774 is 47714683.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9660442 + ... + 9660445.

It is an arithmetic number, because the mean of its divisors is an integer number (14490666).

Almost surely, 2^38641774 is an apocalyptic number.

38641774 is a deficient number, since it is larger than the sum of its proper divisors (19320890).

38641774 is a wasteful number, since it uses less digits than its factorization.

38641774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19320889.

The product of its digits is 112896, while the sum is 40.

The square root of 38641774 is about 6216.2507993163. The cubic root of 38641774 is about 338.0796411423.

The spelling of 38641774 in words is "thirty-eight million, six hundred forty-one thousand, seven hundred seventy-four".