432635649 has 16 divisors (see below), whose sum is σ = 593429760. Its totient is φ = 280192640.

The previous prime is 432635647. The next prime is 432635653. The reversal of 432635649 is 946536234.

It is a cyclic number.

It is not a de Polignac number, because 432635649 - 2¹ = 432635647 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 432635649.

It is not an unprimeable number, because it can be changed into a prime (432635641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22039 + ... + 36755.

It is an arithmetic number, because the mean of its divisors is an integer number (37089360).

Almost surely, 2^432635649 is an apocalyptic number.

It is an amenable number.

432635649 is a deficient number, since it is larger than the sum of its proper divisors (160794111).

432635649 is a wasteful number, since it uses less digits than its factorization.

432635649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15000.

The product of its digits is 466560, while the sum is 42.

The square root of 432635649 is about 20799.8954083909. The cubic root of 432635649 is about 756.3232202493.

The spelling of 432635649 in words is "four hundred thirty-two million, six hundred thirty-five thousand, six hundred forty-nine".