947354142 has 96 divisors (see below), whose sum is σ = 2296549152. Its totient is φ = 259531776.

The previous prime is 947354131. The next prime is 947354143. The reversal of 947354142 is 241453749.

It is a self number, because there is not a number n which added to its sum of digits gives 947354142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947354143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 793498 + ... + 794690.

It is an arithmetic number, because the mean of its divisors is an integer number (23922387).

Almost surely, 2^947354142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 947354142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1148274576).

947354142 is an abundant number, since it is smaller than the sum of its proper divisors (1349195010).

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

947354142 is a wasteful number, since it uses less digits than its factorization.

947354142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322 (or 1315 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 947354142 is about 30779.1186033648. The cubic root of 947354142 is about 982.1340908337.

The spelling of 947354142 in words is "nine hundred forty-seven million, three hundred fifty-four thousand, one hundred forty-two".