3921298 has 4 divisors (see below), whose sum is σ = 5881950. Its totient is φ = 1960648.

The previous prime is 3921289. The next prime is 3921301. The reversal of 3921298 is 8921293.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8921293 = 251 ⋅35543.

It can be written as a sum of positive squares in only one way, i.e., 3908529 + 12769 = 1977^2 + 113^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 980323 + ... + 980326.

Almost surely, 2^3921298 is an apocalyptic number.

3921298 is a deficient number, since it is larger than the sum of its proper divisors (1960652).

3921298 is a wasteful number, since it uses less digits than its factorization.

3921298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960651.

The product of its digits is 7776, while the sum is 34.

The square root of 3921298 is about 1980.2267546925. The cubic root of 3921298 is about 157.6921045529.

The spelling of 3921298 in words is "three million, nine hundred twenty-one thousand, two hundred ninety-eight".