992298440 has 32 divisors (see below), whose sum is σ = 2551625280. Its totient is φ = 340216512.

The previous prime is 992298421. The next prime is 992298509. The reversal of 992298440 is 44892299.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1771682 + ... + 1772241.

It is an arithmetic number, because the mean of its divisors is an integer number (79738290).

Almost surely, 2^992298440 is an apocalyptic number.

It is an amenable number.

992298440 is an abundant number, since it is smaller than the sum of its proper divisors (1559326840).

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

992298440 is a wasteful number, since it uses less digits than its factorization.

992298440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3543941 (or 3543937 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 992298440 is about 31500.7688795051. The cubic root of 992298440 is about 997.4261945422.

The spelling of 992298440 in words is "nine hundred ninety-two million, two hundred ninety-eight thousand, four hundred forty".