947996469 has 72 divisors (see below), whose sum is σ = 1677204672. Its totient is φ = 505284480.

The previous prime is 947996443. The next prime is 947996471. The reversal of 947996469 is 964699749.

It is not a de Polignac number, because 947996469 - 2⁹ = 947995957 is a prime.

It is a super-2 number, since 2×947996469² = 1797394610472935922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947996069) 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 in 71 ways as a sum of consecutive naturals, for example, 1659954 + ... + 1660524.

Almost surely, 2^947996469 is an apocalyptic number.

It is an amenable number.

947996469 is a deficient number, since it is larger than the sum of its proper divisors (729208203).

947996469 is a wasteful number, since it uses less digits than its factorization.

947996469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695 (or 673 counting only the distinct ones).

The product of its digits is 26453952, while the sum is 63.

The square root of 947996469 is about 30789.5512958536. The cubic root of 947996469 is about 982.3560102100.

The spelling of 947996469 in words is "nine hundred forty-seven million, nine hundred ninety-six thousand, four hundred sixty-nine".