8020605 has 8 divisors (see below), whose sum is σ = 12832992. Its totient is φ = 4277648.

The previous prime is 8020589. The next prime is 8020631. The reversal of 8020605 is 5060208.

It is a happy number.

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 8020605 - 2⁴ = 8020589 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a plaindrome in base 11.

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, 267339 + ... + 267368.

It is an arithmetic number, because the mean of its divisors is an integer number (1604124).

Almost surely, 2^8020605 is an apocalyptic number.

It is an amenable number.

8020605 is a deficient number, since it is larger than the sum of its proper divisors (4812387).

8020605 is a wasteful number, since it uses less digits than its factorization.

8020605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534715.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 8020605 is about 2832.0672661503. The cubic root of 8020605 is about 200.1715611252.

The spelling of 8020605 in words is "eight million, twenty thousand, six hundred five".