434932987 has 2 divisors, whose sum is σ = 434932988. Its totient is φ = 434932986.

The previous prime is 434932957. The next prime is 434932991. The reversal of 434932987 is 789239434.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 434932987 - 2²³ = 426544379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 434932987.

It is not a weakly prime, because it can be changed into another prime (434932957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217466493 + 217466494.

It is an arithmetic number, because the mean of its divisors is an integer number (217466494).

Almost surely, 2^434932987 is an apocalyptic number.

434932987 is a deficient number, since it is larger than the sum of its proper divisors (1).

434932987 is an equidigital number, since it uses as much as digits as its factorization.

434932987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 49.

The square root of 434932987 is about 20855.0470390263. The cubic root of 434932987 is about 757.6595746264.

The spelling of 434932987 in words is "four hundred thirty-four million, nine hundred thirty-two thousand, nine hundred eighty-seven".