1700987 has 2 divisors, whose sum is σ = 1700988. Its totient is φ = 1700986.

The previous prime is 1700983. The next prime is 1701017. The reversal of 1700987 is 7890071.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1700987 - 2² = 1700983 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1700981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 850493 + 850494.

It is an arithmetic number, because the mean of its divisors is an integer number (850494).

2^1700987 is an apocalyptic number.

1700987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1700987 is an equidigital number, since it uses as much as digits as its factorization.

1700987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 32.

The square root of 1700987 is about 1304.2189233407. The cubic root of 1700987 is about 119.3714121342.

The spelling of 1700987 in words is "one million, seven hundred thousand, nine hundred eighty-seven".