1394001 has 36 divisors (see below), whose sum is σ = 2445300. Its totient is φ = 762048.

The previous prime is 1393999. The next prime is 1394009. The reversal of 1394001 is 1004931.

It can be written as a sum of positive squares in 2 ways, for example, as 853776 + 540225 = 924^2 + 735^2 .

It is not a de Polignac number, because 1394001 - 2¹ = 1393999 is a prime.

1394001 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394009) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12735 + ... + 12843.

It is an arithmetic number, because the mean of its divisors is an integer number (67925).

2^1394001 is an apocalyptic number.

It is an amenable number.

1394001 is a deficient number, since it is larger than the sum of its proper divisors (1051299).

1394001 is a wasteful number, since it uses less digits than its factorization.

1394001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1394001 is about 1180.6781949371. The cubic root of 1394001 is about 111.7088793649.

Adding to 1394001 its reverse (1004931), we get a palindrome (2398932).

The spelling of 1394001 in words is "one million, three hundred ninety-four thousand, one".