8087405 has 8 divisors (see below), whose sum is σ = 9723672. Its totient is φ = 6457408.

The previous prime is 8087389. The next prime is 8087413. The reversal of 8087405 is 5047808.

It can be written as a sum of positive squares in 4 ways, for example, as 264196 + 7823209 = 514^2 + 2797^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8087405 - 2⁴ = 8087389 is a prime.

It is a super-2 number, since 2×8087405² = 130812239268050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2027 + ... + 4503.

It is an arithmetic number, because the mean of its divisors is an integer number (1215459).

Almost surely, 2^8087405 is an apocalyptic number.

It is an amenable number.

8087405 is a deficient number, since it is larger than the sum of its proper divisors (1636267).

8087405 is a wasteful number, since it uses less digits than its factorization.

8087405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3135.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 8087405 is about 2843.8363173713. The cubic root of 8087405 is about 200.7257383340.

The spelling of 8087405 in words is "eight million, eighty-seven thousand, four hundred five".