4197942 has 24 divisors (see below), whose sum is σ = 10395216. Its totient is φ = 1199376.

The previous prime is 4197923. The next prime is 4197967. The reversal of 4197942 is 2497914.

It is a junction number, because it is equal to n+sod(n) for n = 4197897 and 4197906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16533 + ... + 16784.

It is an arithmetic number, because the mean of its divisors is an integer number (433134).

Almost surely, 2^4197942 is an apocalyptic number.

4197942 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4197942 is an abundant number, since it is smaller than the sum of its proper divisors (6197274).

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

4197942 is a wasteful number, since it uses less digits than its factorization.

4197942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33332 (or 33329 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 4197942 is about 2048.8879910820. The cubic root of 4197942 is about 161.3165076291.

The spelling of 4197942 in words is "four million, one hundred ninety-seven thousand, nine hundred forty-two".