947404 has 12 divisors (see below), whose sum is σ = 1664824. Its totient is φ = 471744.

The previous prime is 947389. The next prime is 947407. The reversal of 947404 is 404749.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

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

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, 1459 + ... + 2005.

2⁹⁴⁷⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

947404 is a deficient number, since it is larger than the sum of its proper divisors (717420).

947404 is a wasteful number, since it uses less digits than its factorization.

947404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984 (or 982 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 947404 is about 973.3468035598. The cubic root of 947404 is about 98.2151320006.

Subtracting from 947404 its sum of digits (28), we obtain a triangular number (947376 = T₁₃₇₆).

The spelling of 947404 in words is "nine hundred forty-seven thousand, four hundred four".