3925998 has 12 divisors (see below), whose sum is σ = 8506368. Its totient is φ = 1308660.

The previous prime is 3925993. The next prime is 3926017. The reversal of 3925998 is 8995293.

It is a super-3 number, since 3×3925998³ (a number of 21 digits) contains 333 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3925993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 109038 + ... + 109073.

It is an arithmetic number, because the mean of its divisors is an integer number (708864).

Almost surely, 2^3925998 is an apocalyptic number.

3925998 is an abundant number, since it is smaller than the sum of its proper divisors (4580370).

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

3925998 is a wasteful number, since it uses less digits than its factorization.

3925998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218119 (or 218116 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 3925998 is about 1981.4131320853. The cubic root of 3925998 is about 157.7550817420.

The spelling of 3925998 in words is "three million, nine hundred twenty-five thousand, nine hundred ninety-eight".