299674981 has 4 divisors (see below), whose sum is σ = 312704352. Its totient is φ = 286645612.

The previous prime is 299674939. The next prime is 299674993. The reversal of 299674981 is 189476992.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 299674981 - 2¹⁹ = 299150693 is a prime.

It is a super-2 number, since 2×299674981² = 179610188474700722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299674901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6514651 + ... + 6514696.

It is an arithmetic number, because the mean of its divisors is an integer number (78176088).

Almost surely, 2^299674981 is an apocalyptic number.

It is an amenable number.

299674981 is a deficient number, since it is larger than the sum of its proper divisors (13029371).

299674981 is a wasteful number, since it uses less digits than its factorization.

299674981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13029370.

The product of its digits is 1959552, while the sum is 55.

The square root of 299674981 is about 17311.1230427145. The cubic root of 299674981 is about 669.1911089156.

It can be divided in two parts, 2996 and 74981, that added together give a palindrome (77977).

The spelling of 299674981 in words is "two hundred ninety-nine million, six hundred seventy-four thousand, nine hundred eighty-one".