3938652274 has 4 divisors (see below), whose sum is σ = 5907978414. Its totient is φ = 1969326136.

The previous prime is 3938652251. The next prime is 3938652281. The reversal of 3938652274 is 4722568393.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4722568393 = 20681 ⋅228353.

It can be written as a sum of positive squares in only one way, i.e., 2942303049 + 996349225 = 54243^2 + 31565^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 984663067 + ... + 984663070.

Almost surely, 2^3938652274 is an apocalyptic number.

3938652274 is a deficient number, since it is larger than the sum of its proper divisors (1969326140).

3938652274 is a wasteful number, since it uses less digits than its factorization.

3938652274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969326139.

The product of its digits is 2177280, while the sum is 49.

The square root of 3938652274 is about 62758.6828574342. The cubic root of 3938652274 is about 1579.2439198816.

The spelling of 3938652274 in words is "three billion, nine hundred thirty-eight million, six hundred fifty-two thousand, two hundred seventy-four".