9994951 has 2 divisors, whose sum is σ = 9994952. Its totient is φ = 9994950.

The previous prime is 9994913. The next prime is 9995003. The reversal of 9994951 is 1594999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9994951 - 2¹¹ = 9992903 is a prime.

It is a Chen prime.

9994951 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9994151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4997475 + 4997476.

It is an arithmetic number, because the mean of its divisors is an integer number (4997476).

Almost surely, 2^9994951 is an apocalyptic number.

9994951 is a deficient number, since it is larger than the sum of its proper divisors (1).

9994951 is an equidigital number, since it uses as much as digits as its factorization.

9994951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 131220, while the sum is 46.

The square root of 9994951 is about 3161.4792423801. The cubic root of 9994951 is about 215.4072037632.

It can be divided in two parts, 99949 and 51, that added together give a 5-th power (100000 = 10⁵).

The spelling of 9994951 in words is "nine million, nine hundred ninety-four thousand, nine hundred fifty-one".