3941998 has 4 divisors (see below), whose sum is σ = 5913000. Its totient is φ = 1970998.

The previous prime is 3941969. The next prime is 3942007. The reversal of 3941998 is 8991493.

It is a semiprime because it is the product of two primes.

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, 985498 + ... + 985501.

It is an arithmetic number, because the mean of its divisors is an integer number (1478250).

Almost surely, 2^3941998 is an apocalyptic number.

3941998 is a deficient number, since it is larger than the sum of its proper divisors (1971002).

3941998 is a wasteful number, since it uses less digits than its factorization.

3941998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971001.

The product of its digits is 69984, while the sum is 43.

The square root of 3941998 is about 1985.4465492679. The cubic root of 3941998 is about 157.9690961296.

The spelling of 3941998 in words is "three million, nine hundred forty-one thousand, nine hundred ninety-eight".