945439856 has 10 divisors (see below), whose sum is σ = 1831789752. Its totient is φ = 472719920.

The previous prime is 945439849. The next prime is 945439879. The reversal of 945439856 is 658934549.

It is a junction number, because it is equal to n+sod(n) for n = 945439798 and 945439807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29544980 + ... + 29545011.

Almost surely, 2^945439856 is an apocalyptic number.

It is an amenable number.

945439856 is a deficient number, since it is larger than the sum of its proper divisors (886349896).

945439856 is a wasteful number, since it uses less digits than its factorization.

945439856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59089999 (or 59089993 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 53.

The square root of 945439856 is about 30748.0057239490. The cubic root of 945439856 is about 981.4721232119.

The spelling of 945439856 in words is "nine hundred forty-five million, four hundred thirty-nine thousand, eight hundred fifty-six".