662612 has 6 divisors (see below), whose sum is σ = 1159578. Its totient is φ = 331304.

The previous prime is 662591. The next prime is 662617. The reversal of 662612 is 216266.

It can be written as a sum of positive squares in only one way, i.e., 662596 + 16 = 814^2 + 4^2 .

It is an Ulam 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 662612.

It is not an unprimeable number, because it can be changed into a prime (662617) by changing a digit.

662612 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 as a sum of consecutive naturals, namely, 82823 + ... + 82830.

It is an arithmetic number, because the mean of its divisors is an integer number (193263).

2⁶⁶²⁶¹² is an apocalyptic number.

It is an amenable number.

662612 is a deficient number, since it is larger than the sum of its proper divisors (496966).

662612 is a wasteful number, since it uses less digits than its factorization.

662612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165657 (or 165655 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 662612 is about 814.0098279505. The cubic root of 662612 is about 87.1805823274.

Adding to 662612 its reverse (216266), we get a palindrome (878878).

The spelling of 662612 in words is "six hundred sixty-two thousand, six hundred twelve".