705666396 has 96 divisors (see below), whose sum is σ = 1822927680. Its totient is φ = 211456000.

The previous prime is 705666383. The next prime is 705666407. The reversal of 705666396 is 693666507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 596926 + ... + 598106.

It is an arithmetic number, because the mean of its divisors is an integer number (18988830).

Almost surely, 2^705666396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 705666396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (911463840).

705666396 is an abundant number, since it is smaller than the sum of its proper divisors (1117261284).

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

705666396 is a wasteful number, since it uses less digits than its factorization.

705666396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335 (or 1333 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 48.

The square root of 705666396 is about 26564.3820933219. The cubic root of 705666396 is about 890.2933830569.

The spelling of 705666396 in words is "seven hundred five million, six hundred sixty-six thousand, three hundred ninety-six".