947740 has 12 divisors (see below), whose sum is σ = 1990296. Its totient is φ = 379088.

The previous prime is 947729. The next prime is 947741. The reversal of 947740 is 47749.

It is a super-2 number, since 2×947740² = 1796422215200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947741) by changing a digit.

947740 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23674 + ... + 23713.

It is an arithmetic number, because the mean of its divisors is an integer number (165858).

2⁹⁴⁷⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

947740 is an abundant number, since it is smaller than the sum of its proper divisors (1042556).

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

947740 is a wasteful number, since it uses less digits than its factorization.

947740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47396 (or 47394 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 947740 is about 973.5193886102. The cubic root of 947740 is about 98.2267414034.

The spelling of 947740 in words is "nine hundred forty-seven thousand, seven hundred forty".