947043420 has 96 divisors (see below), whose sum is σ = 2774532096. Its totient is φ = 241113600.

The previous prime is 947043337. The next prime is 947043431. The reversal of 947043420 is 24340749.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111525 + ... + 119715.

It is an arithmetic number, because the mean of its divisors is an integer number (28901376).

Almost surely, 2^947043420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 947043420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1387266048).

947043420 is an abundant number, since it is smaller than the sum of its proper divisors (1827488676).

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

947043420 is a wasteful number, since it uses less digits than its factorization.

947043420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8291 (or 8289 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 947043420 is about 30774.0705789793. The cubic root of 947043420 is about 982.0267026087.

The spelling of 947043420 in words is "nine hundred forty-seven million, forty-three thousand, four hundred twenty".