947453244 has 12 divisors (see below), whose sum is σ = 2210724264. Its totient is φ = 315817744.

The previous prime is 947453233. The next prime is 947453251. The reversal of 947453244 is 442354749.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×947453244² = 1795335299132247072, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 947453196 and 947453205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39477207 + ... + 39477230.

It is an arithmetic number, because the mean of its divisors is an integer number (184227022).

Almost surely, 2^947453244 is an apocalyptic number.

It is an amenable number.

947453244 is an abundant number, since it is smaller than the sum of its proper divisors (1263271020).

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

947453244 is a wasteful number, since it uses less digits than its factorization.

947453244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78954444 (or 78954442 counting only the distinct ones).

The product of its digits is 483840, while the sum is 42.

The square root of 947453244 is about 30780.7284514191. The cubic root of 947453244 is about 982.1683364077.

The spelling of 947453244 in words is "nine hundred forty-seven million, four hundred fifty-three thousand, two hundred forty-four".