9890770 has 32 divisors (see below), whose sum is σ = 19132848. Its totient is φ = 3667968.

The previous prime is 9890761. The next prime is 9890789. The reversal of 9890770 is 770989.

It can be written as a sum of positive squares in 8 ways, for example, as 5958481 + 3932289 = 2441^2 + 1983^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12012 + ... + 12808.

Almost surely, 2^9890770 is an apocalyptic number.

9890770 is a deficient number, since it is larger than the sum of its proper divisors (9242078).

9890770 is a wasteful number, since it uses less digits than its factorization.

9890770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 9890770 is about 3144.9594591982. The cubic root of 9890770 is about 214.6561657651.

The spelling of 9890770 in words is "nine million, eight hundred ninety thousand, seven hundred seventy".