3940298 has 4 divisors (see below), whose sum is σ = 5910450. Its totient is φ = 1970148.

The previous prime is 3940289. The next prime is 3940301. The reversal of 3940298 is 8920493.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8920493 = 41 ⋅217573.

It can be written as a sum of positive squares in only one way, i.e., 2745649 + 1194649 = 1657^2 + 1093^2 .

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, 985073 + ... + 985076.

Almost surely, 2^3940298 is an apocalyptic number.

3940298 is a deficient number, since it is larger than the sum of its proper divisors (1970152).

3940298 is a wasteful number, since it uses less digits than its factorization.

3940298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970151.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 3940298 is about 1985.0183878242. The cubic root of 3940298 is about 157.9463846284.

The spelling of 3940298 in words is "three million, nine hundred forty thousand, two hundred ninety-eight".