704806 has 4 divisors (see below), whose sum is σ = 1057212. Its totient is φ = 352402.

The previous prime is 704801. The next prime is 704807. The reversal of 704806 is 608407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 608407 = 43 ⋅14149.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176200 + ... + 176203.

It is an arithmetic number, because the mean of its divisors is an integer number (264303).

2⁷⁰⁴⁸⁰⁶ is an apocalyptic number.

704806 is a deficient number, since it is larger than the sum of its proper divisors (352406).

704806 is a wasteful number, since it uses less digits than its factorization.

704806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352405.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 704806 is about 839.5272479199. The cubic root of 704806 is about 88.9931400680.

The spelling of 704806 in words is "seven hundred four thousand, eight hundred six".