9956426 has 4 divisors (see below), whose sum is σ = 14934642. Its totient is φ = 4978212.

The previous prime is 9956423. The next prime is 9956459. The reversal of 9956426 is 6246599.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9954025 + 2401 = 3155^2 + 49^2 .

It is not an unprimeable number, because it can be changed into a prime (9956423) 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 as a sum of consecutive naturals, namely, 2489105 + ... + 2489108.

Almost surely, 2^9956426 is an apocalyptic number.

9956426 is a deficient number, since it is larger than the sum of its proper divisors (4978216).

9956426 is a wasteful number, since it uses less digits than its factorization.

9956426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4978215.

The product of its digits is 116640, while the sum is 41.

The square root of 9956426 is about 3155.3804841889. The cubic root of 9956426 is about 215.1300889301.

The spelling of 9956426 in words is "nine million, nine hundred fifty-six thousand, four hundred twenty-six".