9970285 has 16 divisors (see below), whose sum is σ = 12980016. Its totient is φ = 7308288.

The previous prime is 9970283. The next prime is 9970291. The reversal of 9970285 is 5820799.

9970285 = 122² + 123² + ... + 316².

It can be written as a sum of positive squares in 8 ways, for example, as 116964 + 9853321 = 342^2 + 3139^2 .

It is not a de Polignac number, because 9970285 - 2¹ = 9970283 is a prime.

It is a super-3 number, since 3×9970285³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9970283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9717 + ... + 10693.

It is an arithmetic number, because the mean of its divisors is an integer number (811251).

Almost surely, 2^9970285 is an apocalyptic number.

It is an amenable number.

9970285 is a deficient number, since it is larger than the sum of its proper divisors (3009731).

9970285 is a wasteful number, since it uses less digits than its factorization.

9970285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 9970285 is about 3157.5758106497. The cubic root of 9970285 is about 215.2298605280.

The spelling of 9970285 in words is "nine million, nine hundred seventy thousand, two hundred eighty-five".