1004397047 has 2 divisors, whose sum is σ = 1004397048. Its totient is φ = 1004397046.

The previous prime is 1004397029. The next prime is 1004397071. The reversal of 1004397047 is 7407934001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1004397047 - 2¹² = 1004392951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1004396998 and 1004397016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1004394047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502198523 + 502198524.

It is an arithmetic number, because the mean of its divisors is an integer number (502198524).

Almost surely, 2^1004397047 is an apocalyptic number.

1004397047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004397047 is an equidigital number, since it uses as much as digits as its factorization.

1004397047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 1004397047 is about 31692.2237623048. The cubic root of 1004397047 is about 1001.4635393410.

The spelling of 1004397047 in words is "one billion, four million, three hundred ninety-seven thousand, forty-seven".