1416664 has 16 divisors (see below), whose sum is σ = 2700720. Its totient is φ = 696480.

The previous prime is 1416641. The next prime is 1416671. The reversal of 1416664 is 4666141.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 964 + ... + 1939.

It is an arithmetic number, because the mean of its divisors is an integer number (168795).

2^1416664 is an apocalyptic number.

It is an amenable number.

1416664 is a deficient number, since it is larger than the sum of its proper divisors (1284056).

1416664 is a wasteful number, since it uses less digits than its factorization.

1416664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2970 (or 2966 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 1416664 is about 1190.2369511992. The cubic root of 1416664 is about 112.3109978770.

It can be divided in two parts, 1416 and 664, that added together give a triangular number (2080 = T₆₄).

The spelling of 1416664 in words is "one million, four hundred sixteen thousand, six hundred sixty-four".