2985687 has 8 divisors (see below), whose sum is σ = 4423280. Its totient is φ = 1990440.

The previous prime is 2985677. The next prime is 2985691. The reversal of 2985687 is 7865892.

It is not a de Polignac number, because 2985687 - 2⁸ = 2985431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2985617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55264 + ... + 55317.

It is an arithmetic number, because the mean of its divisors is an integer number (552910).

2^2985687 is an apocalyptic number.

2985687 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2985687 is a deficient number, since it is larger than the sum of its proper divisors (1437593).

2985687 is a wasteful number, since it uses less digits than its factorization.

2985687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110590 (or 110584 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 2985687 is about 1727.9140603630. The cubic root of 2985687 is about 143.9952255361.

The spelling of 2985687 in words is "two million, nine hundred eighty-five thousand, six hundred eighty-seven".