9957430 has 32 divisors (see below), whose sum is σ = 20839680. Its totient is φ = 3354720.

The previous prime is 9957407. The next prime is 9957439. The reversal of 9957430 is 347599.

It is a self number, because there is not a number n which added to its sum of digits gives 9957430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9957439) 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 15 ways as a sum of consecutive naturals, for example, 2925 + ... + 5335.

It is an arithmetic number, because the mean of its divisors is an integer number (651240).

Almost surely, 2^9957430 is an apocalyptic number.

9957430 is an abundant number, since it is smaller than the sum of its proper divisors (10882250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9957430 is a wasteful number, since it uses less digits than its factorization.

9957430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484.

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

The square root of 9957430 is about 3155.5395735120. The cubic root of 9957430 is about 215.1373198832.

The spelling of 9957430 in words is "nine million, nine hundred fifty-seven thousand, four hundred thirty".