299989494 has 80 divisors (see below), whose sum is σ = 774647808. Its totient is φ = 84995568.

The previous prime is 299989489. The next prime is 299989513. The reversal of 299989494 is 494989992.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 142977 + ... + 145059.

Almost surely, 2^299989494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 299989494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387323904).

299989494 is an abundant number, since it is smaller than the sum of its proper divisors (474658314).

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

299989494 is a wasteful number, since it uses less digits than its factorization.

299989494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231 (or 2222 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 63.

The square root of 299989494 is about 17320.2047909371. The cubic root of 299989494 is about 669.4251354770.

The spelling of 299989494 in words is "two hundred ninety-nine million, nine hundred eighty-nine thousand, four hundred ninety-four".