1398098548 has 48 divisors (see below), whose sum is σ = 3073771008. Its totient is φ = 540540000.

The previous prime is 1398098531. The next prime is 1398098551. The reversal of 1398098548 is 8458908931.

It is a congruent number.

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, 23023 + ... + 57673.

It is an arithmetic number, because the mean of its divisors is an integer number (64036896).

Almost surely, 2^1398098548 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1398098548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1536885504).

1398098548 is an abundant number, since it is smaller than the sum of its proper divisors (1675672460).

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

1398098548 is a wasteful number, since it uses less digits than its factorization.

1398098548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34804 (or 34802 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 55.

The square root of 1398098548 is about 37391.1560131537. The cubic root of 1398098548 is about 1118.1822523044.

The spelling of 1398098548 in words is "one billion, three hundred ninety-eight million, ninety-eight thousand, five hundred forty-eight".