3943898 has 32 divisors (see below), whose sum is σ = 7288704. Its totient is φ = 1562112.

The previous prime is 3943883. The next prime is 3943921. The reversal of 3943898 is 8983493.

3943898 is nontrivially palindromic in base 13.

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 in 15 ways as a sum of consecutive naturals, for example, 17261 + ... + 17487.

It is an arithmetic number, because the mean of its divisors is an integer number (227772).

Almost surely, 2^3943898 is an apocalyptic number.

3943898 is a deficient number, since it is larger than the sum of its proper divisors (3344806).

3943898 is a wasteful number, since it uses less digits than its factorization.

3943898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326.

The product of its digits is 186624, while the sum is 44.

The square root of 3943898 is about 1985.9249734066. The cubic root of 3943898 is about 157.9944718463.

The spelling of 3943898 in words is "three million, nine hundred forty-three thousand, eight hundred ninety-eight".