945393980 has 24 divisors (see below), whose sum is σ = 2049371520. Its totient is φ = 365958720.

The previous prime is 945393971. The next prime is 945393983. The reversal of 945393980 is 89393549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945393983) 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, 761795 + ... + 763034.

It is an arithmetic number, because the mean of its divisors is an integer number (85390480).

Almost surely, 2^945393980 is an apocalyptic number.

It is an amenable number.

945393980 is an abundant number, since it is smaller than the sum of its proper divisors (1103977540).

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

945393980 is a wasteful number, since it uses less digits than its factorization.

945393980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524869 (or 1524867 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 50.

The square root of 945393980 is about 30747.2597152982. The cubic root of 945393980 is about 981.4562481519.

The spelling of 945393980 in words is "nine hundred forty-five million, three hundred ninety-three thousand, nine hundred eighty".