947420 has 24 divisors (see below), whose sum is σ = 2010624. Its totient is φ = 374976.

The previous prime is 947417. The next prime is 947423. The reversal of 947420 is 24749.

It is an interprime number because it is at equal distance from previous prime (947417) and next prime (947423).

It is a self number, because there is not a number n which added to its sum of digits gives 947420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947423) 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, 2354 + ... + 2726.

It is an arithmetic number, because the mean of its divisors is an integer number (83776).

2⁹⁴⁷⁴²⁰ is an apocalyptic number.

It is an amenable number.

947420 is an abundant number, since it is smaller than the sum of its proper divisors (1063204).

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

947420 is a wasteful number, since it uses less digits than its factorization.

947420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 947420 is about 973.3550225894. The cubic root of 947420 is about 98.2156848915.

The spelling of 947420 in words is "nine hundred forty-seven thousand, four hundred twenty".