2087578 has 8 divisors (see below), whose sum is σ = 3137940. Its totient is φ = 1041600.

The previous prime is 2087563. The next prime is 2087593. The reversal of 2087578 is 8757802.

It is an interprime number because it is at equal distance from previous prime (2087563) and next prime (2087593).

It can be written as a sum of positive squares in 2 ways, for example, as 2082249 + 5329 = 1443^2 + 73^2 .

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

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, 658 + ... + 2146.

2^2087578 is an apocalyptic number.

2087578 is a deficient number, since it is larger than the sum of its proper divisors (1050362).

2087578 is a wasteful number, since it uses less digits than its factorization.

2087578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192.

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 2087578 is about 1444.8453204409. The cubic root of 2087578 is about 127.8049193062.

The spelling of 2087578 in words is "two million, eighty-seven thousand, five hundred seventy-eight".