1004364 has 36 divisors (see below), whose sum is σ = 2651376. Its totient is φ = 319968.

The previous prime is 1004363. The next prime is 1004371. The reversal of 1004364 is 4634001.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1004363) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 222 + ... + 1434.

2^1004364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1004364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1325688).

1004364 is an abundant number, since it is smaller than the sum of its proper divisors (1647012).

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

1004364 is a wasteful number, since it uses less digits than its factorization.

1004364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246 (or 1241 counting only the distinct ones).

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

The square root of 1004364 is about 1002.1796246183. The cubic root of 1004364 is about 100.1452555727.

Adding to 1004364 its reverse (4634001), we get a palindrome (5638365).

The spelling of 1004364 in words is "one million, four thousand, three hundred sixty-four".