947053440 has 96 divisors (see below), whose sum is σ = 3270313800. Its totient is φ = 252546048.

The previous prime is 947053411. The next prime is 947053447. The reversal of 947053440 is 44350749.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 947053395 and 947053404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947053447) 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 11 ways as a sum of consecutive naturals, for example, 76450 + ... + 87969.

Almost surely, 2^947053440 is an apocalyptic number.

947053440 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

947053440 is an abundant number, since it is smaller than the sum of its proper divisors (2323260360).

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

947053440 is a wasteful number, since it uses less digits than its factorization.

947053440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164444 (or 164429 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 947053440 is about 30774.2333779414. The cubic root of 947053440 is about 982.0301659744.

The spelling of 947053440 in words is "nine hundred forty-seven million, fifty-three thousand, four hundred forty".