998240562 has 54 divisors (see below), whose sum is σ = 2380869309. Its totient is φ = 302050320.

The previous prime is 998240497. The next prime is 998240569. The reversal of 998240562 is 265042899.

998240562 is a `hidden beast` number, since 9 + 9 + 82 + 4 + 0 + 562 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 575568081 + 422672481 = 23991^2 + 20559^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=22341.

It is not an unprimeable number, because it can be changed into a prime (998240569) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1474168 + ... + 1474844.

Almost surely, 2^998240562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 998240562

998240562 is an abundant number, since it is smaller than the sum of its proper divisors (1382628747).

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

998240562 is a wasteful number, since it uses less digits than its factorization.

998240562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 998240562 is about 31594.9451969773. The cubic root of 998240562 is about 999.4131763721.

The spelling of 998240562 in words is "nine hundred ninety-eight million, two hundred forty thousand, five hundred sixty-two".