9409490 has 8 divisors (see below), whose sum is σ = 16937100. Its totient is φ = 3763792.

The previous prime is 9409489. The next prime is 9409529. The reversal of 9409490 is 949049.

It can be written as a sum of positive squares in 2 ways, for example, as 8508889 + 900601 = 2917^2 + 949^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 9409490.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470465 + ... + 470484.

Almost surely, 2^9409490 is an apocalyptic number.

9409490 is a deficient number, since it is larger than the sum of its proper divisors (7527610).

9409490 is a wasteful number, since it uses less digits than its factorization.

9409490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940956.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 9409490 is about 3067.4892012850. The cubic root of 9409490 is about 211.1164275875.

Subtracting from 9409490 its reverse (949049), we obtain a triangular number (8460441 = T₄₁₁₃).

The spelling of 9409490 in words is "nine million, four hundred nine thousand, four hundred ninety".