9687490 has 16 divisors (see below), whose sum is σ = 17593848. Its totient is φ = 3840256.

The previous prime is 9687449. The next prime is 9687493. The reversal of 9687490 is 947869.

It can be written as a sum of positive squares in 4 ways, for example, as 3932289 + 5755201 = 1983^2 + 2399^2 .

It is not an unprimeable number, because it can be changed into a prime (9687493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3157 + ... + 5416.

Almost surely, 2^9687490 is an apocalyptic number.

9687490 is a deficient number, since it is larger than the sum of its proper divisors (7906358).

9687490 is a wasteful number, since it uses less digits than its factorization.

9687490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8693.

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

The square root of 9687490 is about 3112.4732930581. The cubic root of 9687490 is about 213.1754012313.

The spelling of 9687490 in words is "nine million, six hundred eighty-seven thousand, four hundred ninety".