1696401 has 12 divisors (see below), whose sum is σ = 2800512. Its totient is φ = 969336.

The previous prime is 1696391. The next prime is 1696417. The reversal of 1696401 is 1046961.

1696401 is a `hidden beast` number, since 16 + 9 + 640 + 1 = 666.

It is not a de Polignac number, because 1696401 - 2⁵ = 1696369 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1696421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13401 + ... + 13526.

It is an arithmetic number, because the mean of its divisors is an integer number (233376).

2^1696401 is an apocalyptic number.

It is an amenable number.

1696401 is a deficient number, since it is larger than the sum of its proper divisors (1104111).

1696401 is a wasteful number, since it uses less digits than its factorization.

1696401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26940 (or 26937 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1696401 is about 1302.4595963023. The cubic root of 1696401 is about 119.2640372173.

The spelling of 1696401 in words is "one million, six hundred ninety-six thousand, four hundred one".