705986433 has 12 divisors (see below), whose sum is σ = 1020154980. Its totient is φ = 470474496.

The previous prime is 705986399. The next prime is 705986443. The reversal of 705986433 is 334689507.

It can be written as a sum of positive squares in 2 ways, for example, as 150111504 + 555874929 = 12252^2 + 23577^2 .

It is not a de Polignac number, because 705986433 - 2⁹ = 705985921 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (705986443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11653 + ... + 39341.

It is an arithmetic number, because the mean of its divisors is an integer number (85012915).

Almost surely, 2^705986433 is an apocalyptic number.

It is an amenable number.

705986433 is a deficient number, since it is larger than the sum of its proper divisors (314168547).

705986433 is a wasteful number, since it uses less digits than its factorization.

705986433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30528 (or 30525 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 705986433 is about 26570.4052095560. The cubic root of 705986433 is about 890.4279526695.

The spelling of 705986433 in words is "seven hundred five million, nine hundred eighty-six thousand, four hundred thirty-three".