42098895 has 12 divisors (see below), whose sum is σ = 72971496. Its totient is φ = 22452720.

The previous prime is 42098891. The next prime is 42098909. The reversal of 42098895 is 59889024.

It is not a de Polignac number, because 42098895 - 2² = 42098891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 935531 = 42098895 / (4 + 2 + 0 + 9 + 8 + 8 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 42098895.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42098891) 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 11 ways as a sum of consecutive naturals, for example, 467721 + ... + 467810.

It is an arithmetic number, because the mean of its divisors is an integer number (6080958).

Almost surely, 2^42098895 is an apocalyptic number.

42098895 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42098895 is a deficient number, since it is larger than the sum of its proper divisors (30872601).

42098895 is a wasteful number, since it uses less digits than its factorization.

42098895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935542 (or 935539 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 42098895 is about 6488.3661271540. The cubic root of 42098895 is about 347.8752773422.

The spelling of 42098895 in words is "forty-two million, ninety-eight thousand, eight hundred ninety-five".