998707092 has 96 divisors (see below), whose sum is σ = 2535442560. Its totient is φ = 304803840.

The previous prime is 998707091. The next prime is 998707117. The reversal of 998707092 is 290707899.

It is a happy number.

It is a super-2 number, since 2×998707092² = 1994831711222192928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998707091) 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, 1216042 + ... + 1216862.

It is an arithmetic number, because the mean of its divisors is an integer number (26410860).

Almost surely, 2^998707092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 998707092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1267721280).

998707092 is an abundant number, since it is smaller than the sum of its proper divisors (1536735468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

998707092 is a wasteful number, since it uses less digits than its factorization.

998707092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001 (or 999 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 51.

The square root of 998707092 is about 31602.3273193605. The cubic root of 998707092 is about 999.5688447986.

The spelling of 998707092 in words is "nine hundred ninety-eight million, seven hundred seven thousand, ninety-two".