9420505 has 8 divisors (see below), whose sum is σ = 11694600. Its totient is φ = 7276416.

The previous prime is 9420503. The next prime is 9420527. The reversal of 9420505 is 5050249.

It can be written as a sum of positive squares in 4 ways, for example, as 197136 + 9223369 = 444^2 + 3037^2 .

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 9420505 - 2¹ = 9420503 is a prime.

9420505 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9420505.

It is not an unprimeable number, because it can be changed into a prime (9420503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32340 + ... + 32629.

It is an arithmetic number, because the mean of its divisors is an integer number (1461825).

Almost surely, 2^9420505 is an apocalyptic number.

It is an amenable number.

9420505 is a deficient number, since it is larger than the sum of its proper divisors (2274095).

9420505 is a wasteful number, since it uses less digits than its factorization.

9420505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65003.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 9420505 is about 3069.2841184876. The cubic root of 9420505 is about 211.1987749704.

The spelling of 9420505 in words is "nine million, four hundred twenty thousand, five hundred five".