947942430 has 64 divisors (see below), whose sum is σ = 2360404800. Its totient is φ = 243353600.

The previous prime is 947942417. The next prime is 947942453. The reversal of 947942430 is 34249749.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 337030 + ... + 339830.

It is an arithmetic number, because the mean of its divisors is an integer number (36881325).

Almost surely, 2^947942430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 947942430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1180202400).

947942430 is an abundant number, since it is smaller than the sum of its proper divisors (1412462370).

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

947942430 is a wasteful number, since it uses less digits than its factorization.

947942430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3229.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 947942430 is about 30788.6737291492. The cubic root of 947942430 is about 982.3373439853.

The spelling of 947942430 in words is "nine hundred forty-seven million, nine hundred forty-two thousand, four hundred thirty".