998421148 has 6 divisors (see below), whose sum is σ = 1747237016. Its totient is φ = 499210572.

The previous prime is 998421133. The next prime is 998421163. The reversal of 998421148 is 841124899.

998421148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (998421133) and next prime (998421163).

It is a junction number, because it is equal to n+sod(n) for n = 998421098 and 998421107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124802640 + ... + 124802647.

Almost surely, 2^998421148 is an apocalyptic number.

It is an amenable number.

998421148 is a deficient number, since it is larger than the sum of its proper divisors (748815868).

998421148 is a wasteful number, since it uses less digits than its factorization.

998421148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249605291 (or 249605289 counting only the distinct ones).

The product of its digits is 165888, while the sum is 46.

The square root of 998421148 is about 31597.8028983029. The cubic root of 998421148 is about 999.4734387819.

The spelling of 998421148 in words is "nine hundred ninety-eight million, four hundred twenty-one thousand, one hundred forty-eight".