9620690 has 16 divisors (see below), whose sum is σ = 17352792. Its totient is φ = 3840384.

The previous prime is 9620687. The next prime is 9620701. The reversal of 9620690 is 960269.

It can be written as a sum of positive squares in 4 ways, for example, as 8254129 + 1366561 = 2873^2 + 1169^2 .

It is a super-2 number, since 2×9620690² = 185115352152200, which contains 22 as substring.

It is an unprimeable number.

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, 8222 + ... + 9318.

Almost surely, 2^9620690 is an apocalyptic number.

9620690 is a deficient number, since it is larger than the sum of its proper divisors (7732102).

9620690 is a wasteful number, since it uses less digits than its factorization.

9620690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 9620690 is about 3101.7237143240. The cubic root of 9620690 is about 212.6842876531.

The spelling of 9620690 in words is "nine million, six hundred twenty thousand, six hundred ninety".