998084420 has 48 divisors (see below), whose sum is σ = 2143464960. Its totient is φ = 390289536.

The previous prime is 998084407. The next prime is 998084431. The reversal of 998084420 is 24480899.

It is a happy number.

It is a super-4 number, since 4×998084420⁴ (a number of 37 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159674 + ... + 165806.

It is an arithmetic number, because the mean of its divisors is an integer number (44655520).

Almost surely, 2^998084420 is an apocalyptic number.

It is an amenable number.

998084420 is an abundant number, since it is smaller than the sum of its proper divisors (1145380540).

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

998084420 is a wasteful number, since it uses less digits than its factorization.

998084420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6324 (or 6322 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 998084420 is about 31592.4741038115. The cubic root of 998084420 is about 999.3610651826.

The spelling of 998084420 in words is "nine hundred ninety-eight million, eighty-four thousand, four hundred twenty".