9930457 has 4 divisors (see below), whose sum is σ = 10362240. Its totient is φ = 9498676.

The previous prime is 9930443. The next prime is 9930461. The reversal of 9930457 is 7540399.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9930457 - 2¹¹ = 9928409 is a prime.

It is a super-2 number, since 2×9930457² = 197227952457698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9930497) by changing a digit.

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, 215857 + ... + 215902.

It is an arithmetic number, because the mean of its divisors is an integer number (2590560).

Almost surely, 2^9930457 is an apocalyptic number.

It is an amenable number.

9930457 is a deficient number, since it is larger than the sum of its proper divisors (431783).

9930457 is a wasteful number, since it uses less digits than its factorization.

9930457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431782.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 9930457 is about 3151.2627627667. The cubic root of 9930457 is about 214.9428872997.

The spelling of 9930457 in words is "nine million, nine hundred thirty thousand, four hundred fifty-seven".