3892738 has 4 divisors (see below), whose sum is σ = 5839110. Its totient is φ = 1946368.

The previous prime is 3892697. The next prime is 3892741. The reversal of 3892738 is 8372983.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8372983 = 127 ⋅65929.

It can be written as a sum of positive squares in only one way, i.e., 3892729 + 9 = 1973^2 + 3^2 .

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 plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 3892738.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 973183 + ... + 973186.

Almost surely, 2^3892738 is an apocalyptic number.

3892738 is a deficient number, since it is larger than the sum of its proper divisors (1946372).

3892738 is a wasteful number, since it uses less digits than its factorization.

3892738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946371.

The product of its digits is 72576, while the sum is 40.

The square root of 3892738 is about 1973.0022807894. The cubic root of 3892738 is about 157.3083315550.

The spelling of 3892738 in words is "three million, eight hundred ninety-two thousand, seven hundred thirty-eight".