1560004 has 6 divisors (see below), whose sum is σ = 2730014. Its totient is φ = 780000.

The previous prime is 1559989. The next prime is 1560007. The reversal of 1560004 is 4000651.

It can be written as a sum of positive squares in only one way, i.e., 1557504 + 2500 = 1248^2 + 50^2 .

It is a super-2 number, since 2×1560004² = 4867224960032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1560004.

It is not an unprimeable number, because it can be changed into a prime (1560007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194997 + ... + 195004.

2^1560004 is an apocalyptic number.

It is an amenable number.

1560004 is a deficient number, since it is larger than the sum of its proper divisors (1170010).

1560004 is a wasteful number, since it uses less digits than its factorization.

1560004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390005 (or 390003 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1560004 is about 1249.0012009602. The cubic root of 1560004 is about 115.9778990792.

Adding to 1560004 its reverse (4000651), we get a palindrome (5560655).

The spelling of 1560004 in words is "one million, five hundred sixty thousand, four".