9970505 has 4 divisors (see below), whose sum is σ = 11964612. Its totient is φ = 7976400.

The previous prime is 9970489. The next prime is 9970529. The reversal of 9970505 is 5050799.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6405961 + 3564544 = 2531^2 + 1888^2 .

It is not a de Polignac number, because 9970505 - 2⁴ = 9970489 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

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, 997046 + ... + 997055.

It is an arithmetic number, because the mean of its divisors is an integer number (2991153).

Almost surely, 2^9970505 is an apocalyptic number.

It is an amenable number.

9970505 is a deficient number, since it is larger than the sum of its proper divisors (1994107).

9970505 is a wasteful number, since it uses less digits than its factorization.

9970505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994106.

The product of its (nonzero) digits is 14175, while the sum is 35.

The square root of 9970505 is about 3157.6106473091. The cubic root of 9970505 is about 215.2314435727.

The spelling of 9970505 in words is "nine million, nine hundred seventy thousand, five hundred five".