2087657 has 12 divisors (see below), whose sum is σ = 2468304. Its totient is φ = 1750320.

The previous prime is 2087627. The next prime is 2087669. The reversal of 2087657 is 7567802.

It is not a de Polignac number, because 2087657 - 2⁶ = 2087593 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 0 + 8 + 7⁵ + 6² + 5⁹ + 7⁶ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2087627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1298 + ... + 2420.

It is an arithmetic number, because the mean of its divisors is an integer number (205692).

2^2087657 is an apocalyptic number.

It is an amenable number.

2087657 is a deficient number, since it is larger than the sum of its proper divisors (380647).

2087657 is a wasteful number, since it uses less digits than its factorization.

2087657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160 (or 1147 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 2087657 is about 1444.8726587489. The cubic root of 2087657 is about 127.8065314553.

It can be divided in two parts, 2087 and 657, that added together give a cube (2744 = 14³).

The spelling of 2087657 in words is "two million, eighty-seven thousand, six hundred fifty-seven".