996998893 has 8 divisors (see below), whose sum is σ = 1087907040. Its totient is φ = 906136080.

The previous prime is 996998869. The next prime is 996998897. The reversal of 996998893 is 398899699.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 996998893 - 2²⁹ = 460127981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996998897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48346 + ... + 65812.

It is an arithmetic number, because the mean of its divisors is an integer number (135988380).

Almost surely, 2^996998893 is an apocalyptic number.

It is an amenable number.

996998893 is a deficient number, since it is larger than the sum of its proper divisors (90908147).

996998893 is a wasteful number, since it uses less digits than its factorization.

996998893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22667.

The product of its digits is 68024448, while the sum is 70.

The square root of 996998893 is about 31575.2892781681. The cubic root of 996998893 is about 998.9986285900.

The spelling of 996998893 in words is "nine hundred ninety-six million, nine hundred ninety-eight thousand, eight hundred ninety-three".