709946 has 4 divisors (see below), whose sum is σ = 1064922. Its totient is φ = 354972.

The previous prime is 709927. The next prime is 709957. The reversal of 709946 is 649907.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 474721 + 235225 = 689^2 + 485^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177485 + ... + 177488.

2⁷⁰⁹⁹⁴⁶ is an apocalyptic number.

709946 is a deficient number, since it is larger than the sum of its proper divisors (354976).

709946 is a wasteful number, since it uses less digits than its factorization.

709946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354975.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 709946 is about 842.5829336036. The cubic root of 709946 is about 89.2089522945.

The spelling of 709946 in words is "seven hundred nine thousand, nine hundred forty-six".