947800540 has 24 divisors (see below), whose sum is σ = 1992060000. Its totient is φ = 378800448.

The previous prime is 947800523. The next prime is 947800573. The reversal of 947800540 is 45008749.

It is a self number, because there is not a number n which added to its sum of digits gives 947800540.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5086 + ... + 43834.

It is an arithmetic number, because the mean of its divisors is an integer number (83002500).

Almost surely, 2^947800540 is an apocalyptic number.

It is an amenable number.

947800540 is an abundant number, since it is smaller than the sum of its proper divisors (1044259460).

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

947800540 is a wasteful number, since it uses less digits than its factorization.

947800540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39981 (or 39979 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 947800540 is about 30786.3693864671. The cubic root of 947800540 is about 982.2883287722.

The spelling of 947800540 in words is "nine hundred forty-seven million, eight hundred thousand, five hundred forty".