9867490 has 8 divisors (see below), whose sum is σ = 17761500. Its totient is φ = 3946992.

The previous prime is 9867469. The next prime is 9867491. The reversal of 9867490 is 947689.

It can be written as a sum of positive squares in 2 ways, for example, as 8982009 + 885481 = 2997^2 + 941^2 .

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

It is not an unprimeable number, because it can be changed into a prime (9867491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493365 + ... + 493384.

Almost surely, 2^9867490 is an apocalyptic number.

9867490 is a deficient number, since it is larger than the sum of its proper divisors (7894010).

9867490 is a wasteful number, since it uses less digits than its factorization.

9867490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986756.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 9867490 is about 3141.2561181795. The cubic root of 9867490 is about 214.4876207033.

The spelling of 9867490 in words is "nine million, eight hundred sixty-seven thousand, four hundred ninety".