947421030 has 32 divisors (see below), whose sum is σ = 2329272288. Its totient is φ = 246483200.

The previous prime is 947421029. The next prime is 947421043. The reversal of 947421030 is 30124749.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383901 + ... + 386360.

It is an arithmetic number, because the mean of its divisors is an integer number (72789759).

Almost surely, 2^947421030 is an apocalyptic number.

947421030 is an abundant number, since it is smaller than the sum of its proper divisors (1381851258).

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

947421030 is a wasteful number, since it uses less digits than its factorization.

947421030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770312.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 947421030 is about 30780.2051650082. The cubic root of 947421030 is about 982.1572048366.

Adding to 947421030 its reverse (30124749), we get a palindrome (977545779).

The spelling of 947421030 in words is "nine hundred forty-seven million, four hundred twenty-one thousand, thirty".