3926938 has 4 divisors (see below), whose sum is σ = 5890410. Its totient is φ = 1963468.

The previous prime is 3926933. The next prime is 3926941. The reversal of 3926938 is 8396293.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8396293 = 163 ⋅51511.

It can be written as a sum of positive squares in only one way, i.e., 3598609 + 328329 = 1897^2 + 573^2 .

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 nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 3926938.

It is not an unprimeable number, because it can be changed into a prime (3926933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 981733 + ... + 981736.

Almost surely, 2^3926938 is an apocalyptic number.

3926938 is a deficient number, since it is larger than the sum of its proper divisors (1963472).

3926938 is a wasteful number, since it uses less digits than its factorization.

3926938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963471.

The product of its digits is 69984, while the sum is 40.

The square root of 3926938 is about 1981.6503223324. The cubic root of 3926938 is about 157.7676711476.

The spelling of 3926938 in words is "three million, nine hundred twenty-six thousand, nine hundred thirty-eight".