4199742 has 16 divisors (see below), whose sum is σ = 9332880. Its totient is φ = 1399896.

The previous prime is 4199711. The next prime is 4199747. The reversal of 4199742 is 2479914.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4199697 and 4199706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4199747) 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, 38833 + ... + 38940.

It is an arithmetic number, because the mean of its divisors is an integer number (583305).

Almost surely, 2^4199742 is an apocalyptic number.

4199742 is an abundant number, since it is smaller than the sum of its proper divisors (5133138).

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

4199742 is a wasteful number, since it uses less digits than its factorization.

4199742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77784 (or 77778 counting only the distinct ones).

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

The square root of 4199742 is about 2049.3272066705. The cubic root of 4199742 is about 161.3395608476.

The spelling of 4199742 in words is "four million, one hundred ninety-nine thousand, seven hundred forty-two".