998761548 has 12 divisors (see below), whose sum is σ = 2330443640. Its totient is φ = 332920512.

The previous prime is 998761487. The next prime is 998761549. The reversal of 998761548 is 845167899.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (998761549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41615053 + ... + 41615076.

Almost surely, 2^998761548 is an apocalyptic number.

It is an amenable number.

998761548 is an abundant number, since it is smaller than the sum of its proper divisors (1331682092).

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

998761548 is a wasteful number, since it uses less digits than its factorization.

998761548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83230136 (or 83230134 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 57.

The square root of 998761548 is about 31603.1888897307. The cubic root of 998761548 is about 999.5870121312.

The spelling of 998761548 in words is "nine hundred ninety-eight million, seven hundred sixty-one thousand, five hundred forty-eight".