998432695 has 32 divisors (see below), whose sum is σ = 1398019392. Its totient is φ = 677763072.

The previous prime is 998432693. The next prime is 998432707. The reversal of 998432695 is 596234899.

It is a happy number.

It is not a de Polignac number, because 998432695 - 2¹ = 998432693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998432693) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37009 + ... + 58021.

It is an arithmetic number, because the mean of its divisors is an integer number (43688106).

Almost surely, 2^998432695 is an apocalyptic number.

998432695 is a deficient number, since it is larger than the sum of its proper divisors (399586697).

998432695 is a wasteful number, since it uses less digits than its factorization.

998432695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21091.

The product of its digits is 4199040, while the sum is 55.

The square root of 998432695 is about 31597.9856161750. The cubic root of 998432695 is about 999.4772918238.

The spelling of 998432695 in words is "nine hundred ninety-eight million, four hundred thirty-two thousand, six hundred ninety-five".