947408 has 40 divisors (see below), whose sum is σ = 2291520. Its totient is φ = 368640.

The previous prime is 947407. The next prime is 947411. The reversal of 947408 is 804749.

It is a happy number.

947408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 848 + ... + 1616.

It is an arithmetic number, because the mean of its divisors is an integer number (57288).

2⁹⁴⁷⁴⁰⁸ 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 947408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1145760).

947408 is an abundant number, since it is smaller than the sum of its proper divisors (1344112).

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

947408 is a wasteful number, since it uses less digits than its factorization.

947408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795 (or 789 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 947408 is about 973.3488583237. The cubic root of 947408 is about 98.2152702239.

Subtracting from 947408 its sum of digits (32), we obtain a triangular number (947376 = T₁₃₇₆).

The spelling of 947408 in words is "nine hundred forty-seven thousand, four hundred eight".