947397340 has 12 divisors (see below), whose sum is σ = 1989534456. Its totient is φ = 378958928.

The previous prime is 947397337. The next prime is 947397343. The reversal of 947397340 is 43793749.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (947397337) and next prime (947397343).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947397343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23684914 + ... + 23684953.

It is an arithmetic number, because the mean of its divisors is an integer number (165794538).

Almost surely, 2^947397340 is an apocalyptic number.

It is an amenable number.

947397340 is an abundant number, since it is smaller than the sum of its proper divisors (1042137116).

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

947397340 is a wasteful number, since it uses less digits than its factorization.

947397340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47369876 (or 47369874 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 46.

The square root of 947397340 is about 30779.8203373574. The cubic root of 947397340 is about 982.1490185789.

The spelling of 947397340 in words is "nine hundred forty-seven million, three hundred ninety-seven thousand, three hundred forty".