3998132 has 24 divisors (see below), whose sum is σ = 7607040. Its totient is φ = 1831680.

The previous prime is 3998131. The next prime is 3998171. The reversal of 3998132 is 2318993.

It is a junction number, because it is equal to n+sod(n) for n = 3998092 and 3998101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3998131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1508 + ... + 3204.

It is an arithmetic number, because the mean of its divisors is an integer number (316960).

Almost surely, 2^3998132 is an apocalyptic number.

It is an amenable number.

3998132 is a deficient number, since it is larger than the sum of its proper divisors (3608908).

3998132 is a wasteful number, since it uses less digits than its factorization.

3998132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751 (or 1749 counting only the distinct ones).

The product of its digits is 11664, while the sum is 35.

The square root of 3998132 is about 1999.5329454650. The cubic root of 3998132 is about 158.7153908062.

The spelling of 3998132 in words is "three million, nine hundred ninety-eight thousand, one hundred thirty-two".