3890974 has 4 divisors (see below), whose sum is σ = 5836464. Its totient is φ = 1945486.

The previous prime is 3890969. The next prime is 3890981. The reversal of 3890974 is 4790983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4790983 = 19 ⋅252157.

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, 972742 + ... + 972745.

It is an arithmetic number, because the mean of its divisors is an integer number (1459116).

Almost surely, 2^3890974 is an apocalyptic number.

3890974 is a deficient number, since it is larger than the sum of its proper divisors (1945490).

3890974 is a wasteful number, since it uses less digits than its factorization.

3890974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945489.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 3890974 is about 1972.5551956789. Note that the first 3 decimals coincide. The cubic root of 3890974 is about 157.2845664636.

Subtracting 3890974 from its reverse (4790983), we obtain a palindrome (900009).

It can be divided in two parts, 38909 and 74, that added together give a palindrome (38983).

The spelling of 3890974 in words is "three million, eight hundred ninety thousand, nine hundred seventy-four".