4098942 has 12 divisors (see below), whose sum is σ = 8881080. Its totient is φ = 1366308.

The previous prime is 4098937. The next prime is 4098949. The reversal of 4098942 is 2498904.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4098897 and 4098906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4098949) 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, 113842 + ... + 113877.

It is an arithmetic number, because the mean of its divisors is an integer number (740090).

Almost surely, 2^4098942 is an apocalyptic number.

4098942 is an abundant number, since it is smaller than the sum of its proper divisors (4782138).

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

4098942 is a wasteful number, since it uses less digits than its factorization.

4098942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227727 (or 227724 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 4098942 is about 2024.5844017971. The cubic root of 4098942 is about 160.0382981238.

The spelling of 4098942 in words is "four million, ninety-eight thousand, nine hundred forty-two".