705984490 has 32 divisors (see below), whose sum is σ = 1290816000. Its totient is φ = 277968768.

The previous prime is 705984481. The next prime is 705984523. The reversal of 705984490 is 94489507.

It is a self number, because there is not a number n which added to its sum of digits gives 705984490.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211051 + ... + 214369.

It is an arithmetic number, because the mean of its divisors is an integer number (40338000).

Almost surely, 2^705984490 is an apocalyptic number.

705984490 is a deficient number, since it is larger than the sum of its proper divisors (584831510).

705984490 is a wasteful number, since it uses less digits than its factorization.

705984490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3654.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 705984490 is about 26570.3686462947. The cubic root of 705984490 is about 890.4271357968.

The spelling of 705984490 in words is "seven hundred five million, nine hundred eighty-four thousand, four hundred ninety".