1098042806 has 8 divisors (see below), whose sum is σ = 1882359120. Its totient is φ = 470589768.

The previous prime is 1098042791. The next prime is 1098042823. The reversal of 1098042806 is 6082408901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1098042806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39215801 + ... + 39215828.

It is an arithmetic number, because the mean of its divisors is an integer number (235294890).

Almost surely, 2^1098042806 is an apocalyptic number.

1098042806 is a deficient number, since it is larger than the sum of its proper divisors (784316314).

1098042806 is an equidigital number, since it uses as much as digits as its factorization.

1098042806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78431638.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 1098042806 is about 33136.7289574575. The cubic root of 1098042806 is about 1031.6675179124.

The spelling of 1098042806 in words is "one billion, ninety-eight million, forty-two thousand, eight hundred six".