3967698 has 32 divisors (see below), whose sum is σ = 9604224. Its totient is φ = 1066752.

The previous prime is 3967687. The next prime is 3967699. The reversal of 3967698 is 8967693.

It is a happy number.

3967698 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3967699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2065 + ... + 3492.

It is an arithmetic number, because the mean of its divisors is an integer number (300132).

Almost surely, 2^3967698 is an apocalyptic number.

3967698 is an abundant number, since it is smaller than the sum of its proper divisors (5636526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3967698 is a wasteful number, since it uses less digits than its factorization.

3967698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5586.

The product of its digits is 489888, while the sum is 48.

The square root of 3967698 is about 1991.9081304116. The cubic root of 3967698 is about 158.3116478765.

The spelling of 3967698 in words is "three million, nine hundred sixty-seven thousand, six hundred ninety-eight".