3898998 has 48 divisors (see below), whose sum is σ = 8878896. Its totient is φ = 1235520.

The previous prime is 3898991. The next prime is 3899011. The reversal of 3898998 is 8998983.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3898991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58161 + ... + 58227.

It is an arithmetic number, because the mean of its divisors is an integer number (184977).

Almost surely, 2^3898998 is an apocalyptic number.

3898998 is an abundant number, since it is smaller than the sum of its proper divisors (4979898).

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

3898998 is a wasteful number, since it uses less digits than its factorization.

3898998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 186 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 54.

The square root of 3898998 is about 1974.5880583048. The cubic root of 3898998 is about 157.3926100894.

The spelling of 3898998 in words is "three million, eight hundred ninety-eight thousand, nine hundred ninety-eight".