299042442 has 20 divisors (see below), whose sum is σ = 670076946. Its totient is φ = 99680760.

The previous prime is 299042441. The next prime is 299042449. The reversal of 299042442 is 244240992.

It can be written as a sum of positive squares in only one way, i.e., 189860841 + 109181601 = 13779^2 + 10449^2 .

It is a junction number, because it is equal to n+sod(n) for n = 299042397 and 299042406.

It is not an unprimeable number, because it can be changed into a prime (299042441) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 922809 + ... + 923132.

Almost surely, 2^299042442 is an apocalyptic number.

299042442 is an abundant number, since it is smaller than the sum of its proper divisors (371034504).

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

299042442 is a wasteful number, since it uses less digits than its factorization.

299042442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845955 (or 1845946 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 299042442 is about 17292.8436643601. The cubic root of 299042442 is about 668.7199455210.

The spelling of 299042442 in words is "two hundred ninety-nine million, forty-two thousand, four hundred forty-two".