704538231 has 16 divisors (see below), whose sum is σ = 989753856. Its totient is φ = 444904416.

The previous prime is 704538217. The next prime is 704538253. The reversal of 704538231 is 132835407.

It is not a de Polignac number, because 704538231 - 2⁶ = 704538167 is a prime.

It is a super-2 number, since 2×704538231² = 992748237881218722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 704538192 and 704538201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704538281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42460 + ... + 56673.

It is an arithmetic number, because the mean of its divisors is an integer number (61859616).

Almost surely, 2^704538231 is an apocalyptic number.

704538231 is a deficient number, since it is larger than the sum of its proper divisors (285215625).

704538231 is a wasteful number, since it uses less digits than its factorization.

704538231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99262.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 704538231 is about 26543.1390570143. The cubic root of 704538231 is about 889.8186858689.

The spelling of 704538231 in words is "seven hundred four million, five hundred thirty-eight thousand, two hundred thirty-one".