1664094 has 16 divisors (see below), whose sum is σ = 3391632. Its totient is φ = 544128.

The previous prime is 1664083. The next prime is 1664101. The reversal of 1664094 is 4904661.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2299 + ... + 2934.

It is an arithmetic number, because the mean of its divisors is an integer number (211977).

2^1664094 is an apocalyptic number.

1664094 is an abundant number, since it is smaller than the sum of its proper divisors (1727538).

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

1664094 is a wasteful number, since it uses less digits than its factorization.

1664094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5291.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1664094 is about 1289.9976744165. The cubic root of 1664094 is about 118.5020740615.

The spelling of 1664094 in words is "one million, six hundred sixty-four thousand, ninety-four".