3487987 has 2 divisors, whose sum is σ = 3487988. Its totient is φ = 3487986.

The previous prime is 3487961. The next prime is 3487997. The reversal of 3487987 is 7897843.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3487987 - 2¹¹ = 3485939 is a prime.

It is a Chen prime.

3487987 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3487997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1743993 + 1743994.

It is an arithmetic number, because the mean of its divisors is an integer number (1743994).

Almost surely, 2^3487987 is an apocalyptic number.

3487987 is a deficient number, since it is larger than the sum of its proper divisors (1).

3487987 is an equidigital number, since it uses as much as digits as its factorization.

3487987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 46.

The square root of 3487987 is about 1867.6153244177. The cubic root of 3487987 is about 151.6555421271.

The spelling of 3487987 in words is "three million, four hundred eighty-seven thousand, nine hundred eighty-seven".