1046636947 has 2 divisors, whose sum is σ = 1046636948. Its totient is φ = 1046636946.

The previous prime is 1046636923. The next prime is 1046636953. The reversal of 1046636947 is 7496366401.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1046636947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1046636897 and 1046636906.

It is not a weakly prime, because it can be changed into another prime (1046636917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523318473 + 523318474.

It is an arithmetic number, because the mean of its divisors is an integer number (523318474).

Almost surely, 2^1046636947 is an apocalyptic number.

1046636947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1046636947 is an equidigital number, since it uses as much as digits as its factorization.

1046636947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 46.

The square root of 1046636947 is about 32351.7688388131. The cubic root of 1046636947 is about 1015.3100550015.

The spelling of 1046636947 in words is "one billion, forty-six million, six hundred thirty-six thousand, nine hundred forty-seven".