2087651 has 8 divisors (see below), whose sum is σ = 2270880. Its totient is φ = 1911168.

The previous prime is 2087627. The next prime is 2087669. The reversal of 2087651 is 1567802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2087651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2087671) 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, 1031 + ... + 2288.

It is an arithmetic number, because the mean of its divisors is an integer number (283860).

2^2087651 is an apocalyptic number.

2087651 is a deficient number, since it is larger than the sum of its proper divisors (183229).

2087651 is a wasteful number, since it uses less digits than its factorization.

2087651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 2087651 is about 1444.8705824398. The cubic root of 2087651 is about 127.8064090150.

The spelling of 2087651 in words is "two million, eighty-seven thousand, six hundred fifty-one".