283673987 has 2 divisors, whose sum is σ = 283673988. Its totient is φ = 283673986.

The previous prime is 283673983. The next prime is 283673989. The reversal of 283673987 is 789376382.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 283673987 - 2² = 283673983 is a prime.

Together with 283673989, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (283673983) 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, 141836993 + 141836994.

It is an arithmetic number, because the mean of its divisors is an integer number (141836994).

Almost surely, 2^283673987 is an apocalyptic number.

283673987 is a deficient number, since it is larger than the sum of its proper divisors (1).

283673987 is an equidigital number, since it uses as much as digits as its factorization.

283673987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 53.

The square root of 283673987 is about 16842.6241126494. The cubic root of 283673987 is about 657.0622314014.

The spelling of 283673987 in words is "two hundred eighty-three million, six hundred seventy-three thousand, nine hundred eighty-seven".