42109098 has 48 divisors (see below), whose sum is σ = 89131680. Its totient is φ = 13258080.

The previous prime is 42109097. The next prime is 42109099. The reversal of 42109098 is 89090124.

It is an interprime number because it is at equal distance from previous prime (42109097) and next prime (42109099).

It is a super-2 number, since 2×42109098² = 3546352268747208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42109097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 386268 + ... + 386376.

It is an arithmetic number, because the mean of its divisors is an integer number (1856910).

Almost surely, 2^42109098 is an apocalyptic number.

42109098 is an abundant number, since it is smaller than the sum of its proper divisors (47022582).

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

42109098 is a wasteful number, since it uses less digits than its factorization.

42109098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 42109098 is about 6489.1523329322. The cubic root of 42109098 is about 347.9033785133.

The spelling of 42109098 in words is "forty-two million, one hundred nine thousand, ninety-eight".