3963898 has 4 divisors (see below), whose sum is σ = 5945850. Its totient is φ = 1981948.

The previous prime is 3963893. The next prime is 3963899. The reversal of 3963898 is 8983693.

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

It can be written as a sum of positive squares in only one way, i.e., 3017169 + 946729 = 1737^2 + 973^2 .

It is not an unprimeable number, because it can be changed into a prime (3963893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 990973 + ... + 990976.

Almost surely, 2^3963898 is an apocalyptic number.

3963898 is a deficient number, since it is larger than the sum of its proper divisors (1981952).

3963898 is a wasteful number, since it uses less digits than its factorization.

3963898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981951.

The product of its digits is 279936, while the sum is 46.

The square root of 3963898 is about 1990.9540426640. The cubic root of 3963898 is about 158.2610915743.

The spelling of 3963898 in words is "three million, nine hundred sixty-three thousand, eight hundred ninety-eight".