1040090998 has 8 divisors (see below), whose sum is σ = 1561906008. Its totient is φ = 519455664.

The previous prime is 1040090983. The next prime is 1040091007. The reversal of 1040090998 is 8990900401.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1040090998.

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, 292711 + ... + 296242.

It is an arithmetic number, because the mean of its divisors is an integer number (195238251).

Almost surely, 2^1040090998 is an apocalyptic number.

1040090998 is a deficient number, since it is larger than the sum of its proper divisors (521815010).

1040090998 is an equidigital number, since it uses as much as digits as its factorization.

1040090998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589838.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 1040090998 is about 32250.4418264308. The cubic root of 1040090998 is about 1013.1889527915.

The spelling of 1040090998 in words is "one billion, forty million, ninety thousand, nine hundred ninety-eight".