662146 has 8 divisors (see below), whose sum is σ = 1007424. Its totient is φ = 326340.

The previous prime is 662143. The next prime is 662149. The reversal of 662146 is 641266.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (662143) and next prime (662149).

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

It is a self number, because there is not a number n which added to its sum of digits gives 662146.

It is not an unprimeable number, because it can be changed into a prime (662141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2190 + ... + 2473.

It is an arithmetic number, because the mean of its divisors is an integer number (125928).

2⁶⁶²¹⁴⁶ is an apocalyptic number.

662146 is a deficient number, since it is larger than the sum of its proper divisors (345278).

662146 is a wasteful number, since it uses less digits than its factorization.

662146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4736.

The product of its digits is 1728, while the sum is 25.

The square root of 662146 is about 813.7235402764. The cubic root of 662146 is about 87.1601401586.

It can be divided in two parts, 662 and 146, that added together give a palindrome (808).

The spelling of 662146 in words is "six hundred sixty-two thousand, one hundred forty-six".