1694164 has 6 divisors (see below), whose sum is σ = 2964794. Its totient is φ = 847080.

The previous prime is 1694159. The next prime is 1694167. The reversal of 1694164 is 4614961.

It can be written as a sum of positive squares in only one way, i.e., 1085764 + 608400 = 1042^2 + 780^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1694167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211767 + ... + 211774.

2^1694164 is an apocalyptic number.

It is an amenable number.

1694164 is a deficient number, since it is larger than the sum of its proper divisors (1270630).

1694164 is a wasteful number, since it uses less digits than its factorization.

1694164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423545 (or 423543 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 1694164 is about 1301.6005531652. The cubic root of 1694164 is about 119.2115906931.

The spelling of 1694164 in words is "one million, six hundred ninety-four thousand, one hundred sixty-four".