947407 has 2 divisors, whose sum is σ = 947408. Its totient is φ = 947406.

The previous prime is 947389. The next prime is 947411. The reversal of 947407 is 704749.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 947407 - 2¹¹ = 945359 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (947417) 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, 473703 + 473704.

It is an arithmetic number, because the mean of its divisors is an integer number (473704).

2⁹⁴⁷⁴⁰⁷ is an apocalyptic number.

947407 is a deficient number, since it is larger than the sum of its proper divisors (1).

947407 is an equidigital number, since it uses as much as digits as its factorization.

947407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 947407 is about 973.3483446331. The cubic root of 947407 is about 98.2152356681.

Subtracting from 947407 its sum of digits (31), we obtain a triangular number (947376 = T₁₃₇₆).

The spelling of 947407 in words is "nine hundred forty-seven thousand, four hundred seven".