798289290 has 64 divisors (see below), whose sum is σ = 2221344000. Its totient is φ = 203620032.

The previous prime is 798289259. The next prime is 798289357. The reversal of 798289290 is 92982897.

798289290 is a `hidden beast` number, since 79 + 8 + 289 + 290 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58065 + ... + 70484.

It is an arithmetic number, because the mean of its divisors is an integer number (34708500).

Almost surely, 2^798289290 is an apocalyptic number.

798289290 is an abundant number, since it is smaller than the sum of its proper divisors (1423054710).

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

798289290 is a wasteful number, since it uses less digits than its factorization.

798289290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128588 (or 128582 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The square root of 798289290 is about 28254.0136971723. The cubic root of 798289290 is about 927.6555934676.

The spelling of 798289290 in words is "seven hundred ninety-eight million, two hundred eighty-nine thousand, two hundred ninety".