705499986 has 32 divisors (see below), whose sum is σ = 1452441600. Its totient is φ = 228339216.

The previous prime is 705499981. The next prime is 705499987. The reversal of 705499986 is 689994507.

It is a zygodrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (705499981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25965 + ... + 45663.

It is an arithmetic number, because the mean of its divisors is an integer number (45388800).

Almost surely, 2^705499986 is an apocalyptic number.

705499986 is an abundant number, since it is smaller than the sum of its proper divisors (746941614).

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

705499986 is a wasteful number, since it uses less digits than its factorization.

705499986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19878.

The product of its (nonzero) digits is 4898880, while the sum is 57.

The square root of 705499986 is about 26561.2497070450. The cubic root of 705499986 is about 890.2233946648.

The spelling of 705499986 in words is "seven hundred five million, four hundred ninety-nine thousand, nine hundred eighty-six".