992198761 has 8 divisors (see below), whose sum is σ = 1051246080. Its totient is φ = 933227328.

The previous prime is 992198749. The next prime is 992198773. The reversal of 992198761 is 167891299.

It is an interprime number because it is at equal distance from previous prime (992198749) and next prime (992198773).

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 992198761 - 2¹⁷ = 992067689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 992198699 and 992198708.

It is not an unprimeable number, because it can be changed into a prime (992198731) 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, 9160 + ... + 45478.

It is an arithmetic number, because the mean of its divisors is an integer number (131405760).

Almost surely, 2^992198761 is an apocalyptic number.

It is an amenable number.

992198761 is a deficient number, since it is larger than the sum of its proper divisors (59047319).

992198761 is a wasteful number, since it uses less digits than its factorization.

992198761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37943.

The product of its digits is 489888, while the sum is 52.

The square root of 992198761 is about 31499.1866720396. The cubic root of 992198761 is about 997.3927953916.

The spelling of 992198761 in words is "nine hundred ninety-two million, one hundred ninety-eight thousand, seven hundred sixty-one".