947870460 has 144 divisors (see below), whose sum is σ = 2945124000. Its totient is φ = 246689280.

The previous prime is 947870453. The next prime is 947870491. The reversal of 947870460 is 64078749.

It is a super-2 number, since 2×947870460² = 1796916817881223200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1899291 + ... + 1899789.

It is an arithmetic number, because the mean of its divisors is an integer number (20452250).

Almost surely, 2^947870460 is an apocalyptic number.

947870460 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 947870460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1472562000).

947870460 is an abundant number, since it is smaller than the sum of its proper divisors (1997253540).

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

947870460 is a wasteful number, since it uses less digits than its factorization.

947870460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 947870460 is about 30787.5049330081. The cubic root of 947870460 is about 982.3124829088.

The spelling of 947870460 in words is "nine hundred forty-seven million, eight hundred seventy thousand, four hundred sixty".