9799142 has 4 divisors (see below), whose sum is σ = 14698716. Its totient is φ = 4899570.

The previous prime is 9799103. The next prime is 9799147. The reversal of 9799142 is 2419979.

It is a happy number.

9799142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 9799142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9799147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2449784 + ... + 2449787.

It is an arithmetic number, because the mean of its divisors is an integer number (3674679).

Almost surely, 2^9799142 is an apocalyptic number.

9799142 is a deficient number, since it is larger than the sum of its proper divisors (4899574).

9799142 is a wasteful number, since it uses less digits than its factorization.

9799142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4899573.

The product of its digits is 40824, while the sum is 41.

The square root of 9799142 is about 3130.3581264769. The cubic root of 9799142 is about 213.9912506977.

The spelling of 9799142 in words is "nine million, seven hundred ninety-nine thousand, one hundred forty-two".