998445267 has 12 divisors (see below), whose sum is σ = 1448499520. Its totient is φ = 662722128.

The previous prime is 998445247. The next prime is 998445277. The reversal of 998445267 is 762544899.

It is not a de Polignac number, because 998445267 - 2²² = 994250963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (998445247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 240163 + ... + 244284.

Almost surely, 2^998445267 is an apocalyptic number.

998445267 is a deficient number, since it is larger than the sum of its proper divisors (450054253).

998445267 is a wasteful number, since it uses less digits than its factorization.

998445267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484682 (or 484679 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 998445267 is about 31598.1845522808. The cubic root of 998445267 is about 999.4814868573.

It can be divided in two parts, 99844 and 5267, that added together give a triangular number (105111 = T₄₅₈).

The spelling of 998445267 in words is "nine hundred ninety-eight million, four hundred forty-five thousand, two hundred sixty-seven".