947293812 has 24 divisors (see below), whose sum is σ = 2455947200. Its totient is φ = 315764568.

The previous prime is 947293783. The next prime is 947293813. The reversal of 947293812 is 218392749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947293813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4385512 + ... + 4385727.

Almost surely, 2^947293812 is an apocalyptic number.

It is an amenable number.

947293812 is an abundant number, since it is smaller than the sum of its proper divisors (1508653388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

947293812 is a wasteful number, since it uses less digits than its factorization.

947293812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8771252 (or 8771244 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 947293812 is about 30778.1385402041. The cubic root of 947293812 is about 982.1132420983.

The spelling of 947293812 in words is "nine hundred forty-seven million, two hundred ninety-three thousand, eight hundred twelve".