1364004 has 18 divisors (see below), whose sum is σ = 3447990. Its totient is φ = 454656.

The previous prime is 1363993. The next prime is 1364009. The reversal of 1364004 is 4004631.

It can be written as a sum of positive squares in only one way, i.e., 1004004 + 360000 = 1002^2 + 600^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1364009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18909 + ... + 18980.

It is an arithmetic number, because the mean of its divisors is an integer number (191555).

2^1364004 is an apocalyptic number.

It is an amenable number.

1364004 is an abundant number, since it is smaller than the sum of its proper divisors (2083986).

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

1364004 is a wasteful number, since it uses less digits than its factorization.

1364004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37899 (or 37894 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1364004 is about 1167.9058181206. The cubic root of 1364004 is about 110.9017879761.

Adding to 1364004 its reverse (4004631), we get a palindrome (5368635).

The spelling of 1364004 in words is "one million, three hundred sixty-four thousand, four".