8401147 has 2 divisors, whose sum is σ = 8401148. Its totient is φ = 8401146.

The previous prime is 8401121. The next prime is 8401153. The reversal of 8401147 is 7411048.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8401147 - 2¹¹ = 8399099 is a prime.

8401147 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (8401117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4200573 + 4200574.

It is an arithmetic number, because the mean of its divisors is an integer number (4200574).

Almost surely, 2^8401147 is an apocalyptic number.

8401147 is a deficient number, since it is larger than the sum of its proper divisors (1).

8401147 is an equidigital number, since it uses as much as digits as its factorization.

8401147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 8401147 is about 2898.4732187826. The cubic root of 8401147 is about 203.2885233754.

Subtracting from 8401147 its reverse (7411048), we obtain a palindrome (990099).

The spelling of 8401147 in words is "eight million, four hundred one thousand, one hundred forty-seven".