2087642 has 8 divisors (see below), whose sum is σ = 3141396. Its totient is φ = 1040512.

The previous prime is 2087627. The next prime is 2087669. The reversal of 2087642 is 2467802.

It can be written as a sum of positive squares in 2 ways, for example, as 1990921 + 96721 = 1411^2 + 311^2 .

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

It is a nialpdrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773 + ... + 2184.

2^2087642 is an apocalyptic number.

2087642 is a deficient number, since it is larger than the sum of its proper divisors (1053754).

2087642 is a wasteful number, since it uses less digits than its factorization.

2087642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3312.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 2087642 is about 1444.8674679707. The cubic root of 2087642 is about 127.8062253542.

The spelling of 2087642 in words is "two million, eighty-seven thousand, six hundred forty-two".