1506436 has 6 divisors (see below), whose sum is σ = 2636270. Its totient is φ = 753216.

The previous prime is 1506433. The next prime is 1506443. The reversal of 1506436 is 6346051.

It can be written as a sum of positive squares in only one way, i.e., 988036 + 518400 = 994^2 + 720^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1506436.

It is not an unprimeable number, because it can be changed into a prime (1506433) 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 as a sum of consecutive naturals, namely, 188301 + ... + 188308.

2^1506436 is an apocalyptic number.

It is an amenable number.

1506436 is a deficient number, since it is larger than the sum of its proper divisors (1129834).

1506436 is a wasteful number, since it uses less digits than its factorization.

1506436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376613 (or 376611 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1506436 is about 1227.3695450026. The cubic root of 1506436 is about 114.6349102313.

The spelling of 1506436 in words is "one million, five hundred six thousand, four hundred thirty-six".