1425636 has 27 divisors (see below), whose sum is σ = 3621891. Its totient is φ = 472824.

The previous prime is 1425629. The next prime is 1425649. The reversal of 1425636 is 6365241.

The square root of 1425636 is 1194.

It is a perfect power (a square), and thus also a powerful number.

1425636 is a `hidden beast` number, since 1 + 4 + 25 + 636 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7065 + ... + 7263.

2^1425636 is an apocalyptic number.

1425636 is the 1194-th square number.

It is an amenable number.

1425636 is an abundant number, since it is smaller than the sum of its proper divisors (2196255).

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

1425636 is a wasteful number, since it uses less digits than its factorization.

1425636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408 (or 204 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The cubic root of 1425636 is about 112.5475946764.

It can be divided in two parts, 142 and 5636, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 1425636 in words is "one million, four hundred twenty-five thousand, six hundred thirty-six".