542398098 has 64 divisors (see below), whose sum is σ = 1253532672. Its totient is φ = 154841280.

The previous prime is 542398097. The next prime is 542398117. The reversal of 542398098 is 890893245.

It is not an unprimeable number, because it can be changed into a prime (542398091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99040 + ... + 104372.

It is an arithmetic number, because the mean of its divisors is an integer number (19586448).

Almost surely, 2^542398098 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542398098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (626766336).

542398098 is an abundant number, since it is smaller than the sum of its proper divisors (711134574).

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

542398098 is a wasteful number, since it uses less digits than its factorization.

542398098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5439.

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 542398098 is about 23289.4417708970. The cubic root of 542398098 is about 815.5289566802.

The spelling of 542398098 in words is "five hundred forty-two million, three hundred ninety-eight thousand, ninety-eight".