611670 has 16 divisors (see below), whose sum is σ = 1468080. Its totient is φ = 163104.

The previous prime is 611657. The next prime is 611671. The reversal of 611670 is 76116.

611670 is nontrivially palindromic in base 4.

611670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×611670³ = 686550988033389000, which contains 333 as substring.

It is a zygodrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611671) by changing a digit.

611670 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10165 + ... + 10224.

It is an arithmetic number, because the mean of its divisors is an integer number (91755).

2⁶¹¹⁶⁷⁰ is an apocalyptic number.

611670 is an abundant number, since it is smaller than the sum of its proper divisors (856410).

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

611670 is a wasteful number, since it uses less digits than its factorization.

611670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20399.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 611670 is about 782.0933448125. The cubic root of 611670 is about 84.8865846081.

Adding to 611670 its reverse (76116), we get a palindrome (687786).

The spelling of 611670 in words is "six hundred eleven thousand, six hundred seventy".