436440047 has 2 divisors, whose sum is σ = 436440048. Its totient is φ = 436440046.

The previous prime is 436439959. The next prime is 436440071. The reversal of 436440047 is 740044634.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 436440047 - 2¹⁰ = 436439023 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 436439995 and 436440022.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (436440947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218220023 + 218220024.

It is an arithmetic number, because the mean of its divisors is an integer number (218220024).

Almost surely, 2^436440047 is an apocalyptic number.

436440047 is a deficient number, since it is larger than the sum of its proper divisors (1).

436440047 is an equidigital number, since it uses as much as digits as its factorization.

436440047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 436440047 is about 20891.1475749897. The cubic root of 436440047 is about 758.5336726040.

The spelling of 436440047 in words is "four hundred thirty-six million, four hundred forty thousand, forty-seven".