99998461 has 4 divisors (see below), whose sum is σ = 100152252. Its totient is φ = 99844672.

The previous prime is 99998449. The next prime is 99998473. The reversal of 99998461 is 16489999.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (99998449) and next prime (99998473).

It can be written as a sum of positive squares in 2 ways, for example, as 70459236 + 29539225 = 8394^2 + 5435^2 .

It is a cyclic number.

It is not a de Polignac number, because 99998461 - 2⁵ = 99998429 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 (99998441) 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, 75916 + ... + 77221.

It is an arithmetic number, because the mean of its divisors is an integer number (25038063).

Almost surely, 2^99998461 is an apocalyptic number.

It is an amenable number.

99998461 is a deficient number, since it is larger than the sum of its proper divisors (153791).

99998461 is a wasteful number, since it uses less digits than its factorization.

99998461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153790.

The product of its digits is 1259712, while the sum is 55.

The square root of 99998461 is about 9999.9230497039. The cubic root of 99998461 is about 464.1565022140.

The spelling of 99998461 in words is "ninety-nine million, nine hundred ninety-eight thousand, four hundred sixty-one".