1500004 has 24 divisors (see below), whose sum is σ = 2909088. Its totient is φ = 671040.

The previous prime is 1499977. The next prime is 1500007. The reversal of 1500004 is 4000051.

It is not an unprimeable number, because it can be changed into a prime (1500007) 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 7 ways as a sum of consecutive naturals, for example, 2979 + ... + 3445.

It is an arithmetic number, because the mean of its divisors is an integer number (121212).

2^1500004 is an apocalyptic number.

It is an amenable number.

1500004 is a deficient number, since it is larger than the sum of its proper divisors (1409084).

1500004 is a wasteful number, since it uses less digits than its factorization.

With its successor (1500005) it forms an eRAP, since the sums of their prime factors are consecutive (555 and 556).

1500004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555 (or 553 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 1500004 is about 1224.7465043837. The cubic root of 1500004 is about 114.4715260076.

Adding to 1500004 its reverse (4000051), we get a palindrome (5500055).

It can be divided in two parts, 1 and 500004, that added together give a palindrome (500005).

The spelling of 1500004 in words is "one million, five hundred thousand, four".