9403490 has 8 divisors (see below), whose sum is σ = 16926300. Its totient is φ = 3761392.

The previous prime is 9403487. The next prime is 9403501. The reversal of 9403490 is 943049.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9259849 + 143641 = 3043^2 + 379^2 .

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

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, 470165 + ... + 470184.

Almost surely, 2^9403490 is an apocalyptic number.

9403490 is a deficient number, since it is larger than the sum of its proper divisors (7522810).

9403490 is a wasteful number, since it uses less digits than its factorization.

9403490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940356.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 9403490 is about 3066.5110467761. The cubic root of 9403490 is about 211.0715449601.

Subtracting from 9403490 its reverse (943049), we obtain a triangular number (8460441 = T₄₁₁₃).

The spelling of 9403490 in words is "nine million, four hundred three thousand, four hundred ninety".