1536404 has 12 divisors (see below), whose sum is σ = 2704128. Its totient is φ = 763800.

The previous prime is 1536401. The next prime is 1536439. The reversal of 1536404 is 4046351.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1536404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1536401) 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 3 ways as a sum of consecutive naturals, for example, 242 + ... + 1769.

It is an arithmetic number, because the mean of its divisors is an integer number (225344).

2^1536404 is an apocalyptic number.

It is an amenable number.

1536404 is a deficient number, since it is larger than the sum of its proper divisors (1167724).

1536404 is a wasteful number, since it uses less digits than its factorization.

1536404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206 (or 2204 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1536404 is about 1239.5176481196. The cubic root of 1536404 is about 115.3900805161.

The spelling of 1536404 in words is "one million, five hundred thirty-six thousand, four hundred four".