9949451 has 2 divisors, whose sum is σ = 9949452. Its totient is φ = 9949450.

The previous prime is 9949441. The next prime is 9949487. The reversal of 9949451 is 1549499.

It is a happy number.

9949451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9949451 - 2²² = 5755147 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 9949399 and 9949408.

It is not a weakly prime, because it can be changed into another prime (9949421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4974725 + 4974726.

It is an arithmetic number, because the mean of its divisors is an integer number (4974726).

Almost surely, 2^9949451 is an apocalyptic number.

9949451 is a deficient number, since it is larger than the sum of its proper divisors (1).

9949451 is an equidigital number, since it uses as much as digits as its factorization.

9949451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 41.

The square root of 9949451 is about 3154.2750355668. The cubic root of 9949451 is about 215.0798405475.

The spelling of 9949451 in words is "nine million, nine hundred forty-nine thousand, four hundred fifty-one".