3998275 has 6 divisors (see below), whose sum is σ = 4957892. Its totient is φ = 3198600.

The previous prime is 3998273. The next prime is 3998299. The reversal of 3998275 is 5728993.

It is a happy number.

It is not a de Polignac number, because 3998275 - 2¹ = 3998273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3998273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79941 + ... + 79990.

Almost surely, 2^3998275 is an apocalyptic number.

3998275 is a deficient number, since it is larger than the sum of its proper divisors (959617).

3998275 is a wasteful number, since it uses less digits than its factorization.

3998275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159941 (or 159936 counting only the distinct ones).

The product of its digits is 136080, while the sum is 43.

The square root of 3998275 is about 1999.5687034958. The cubic root of 3998275 is about 158.7172830257.

The spelling of 3998275 in words is "three million, nine hundred ninety-eight thousand, two hundred seventy-five".