706381 has 8 divisors (see below), whose sum is σ = 773024. Its totient is φ = 641520.

The previous prime is 706373. The next prime is 706403. The reversal of 706381 is 183607.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 706381 - 2³ = 706373 is a prime.

It is a super-2 number, since 2×706381² = 997948234322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706301) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 466 + ... + 1276.

It is an arithmetic number, because the mean of its divisors is an integer number (96628).

2⁷⁰⁶³⁸¹ is an apocalyptic number.

It is an amenable number.

706381 is a deficient number, since it is larger than the sum of its proper divisors (66643).

706381 is a wasteful number, since it uses less digits than its factorization.

706381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 706381 is about 840.4647523841. The cubic root of 706381 is about 89.0593804796.

Adding to 706381 its reverse (183607), we get a palindrome (889988).

The spelling of 706381 in words is "seven hundred six thousand, three hundred eighty-one".