706398 has 48 divisors (see below), whose sum is σ = 1787520. Its totient is φ = 182160.

The previous prime is 706373. The next prime is 706403. The reversal of 706398 is 893607.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 706398.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5013 + ... + 5151.

It is an arithmetic number, because the mean of its divisors is an integer number (37240).

2⁷⁰⁶³⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 706398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (893760).

706398 is an abundant number, since it is smaller than the sum of its proper divisors (1081122).

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

706398 is a wasteful number, since it uses less digits than its factorization.

706398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 706398 is about 840.4748657753. The cubic root of 706398 is about 89.0600949181.

The spelling of 706398 in words is "seven hundred six thousand, three hundred ninety-eight".