812989498 has 8 divisors (see below), whose sum is σ = 1220311008. Its totient is φ = 406219164.

The previous prime is 812989469. The next prime is 812989543. The reversal of 812989498 is 894989218.

812989498 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an alternating number because its digits alternate between even and odd.

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, 134086 + ... + 140017.

It is an arithmetic number, because the mean of its divisors is an integer number (152538876).

Almost surely, 2^812989498 is an apocalyptic number.

812989498 is a deficient number, since it is larger than the sum of its proper divisors (407321510).

812989498 is a wasteful number, since it uses less digits than its factorization.

812989498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275588.

The product of its digits is 2985984, while the sum is 58.

The square root of 812989498 is about 28512.9706975615. The cubic root of 812989498 is about 933.3151420207.

The spelling of 812989498 in words is "eight hundred twelve million, nine hundred eighty-nine thousand, four hundred ninety-eight".