1664062 has 12 divisors (see below), whose sum is σ = 2652480. Its totient is φ = 782816.

The previous prime is 1664053. The next prime is 1664063. The reversal of 1664062 is 2604661.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1664063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 862 + ... + 2017.

It is an arithmetic number, because the mean of its divisors is an integer number (221040).

2^1664062 is an apocalyptic number.

1664062 is a deficient number, since it is larger than the sum of its proper divisors (988418).

1664062 is a wasteful number, since it uses less digits than its factorization.

1664062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2915 (or 2898 counting only the distinct ones).

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

The square root of 1664062 is about 1289.9852712337. The cubic root of 1664062 is about 118.5013144709.

The spelling of 1664062 in words is "one million, six hundred sixty-four thousand, sixty-two".