945880 has 64 divisors (see below), whose sum is σ = 2449440. Its totient is φ = 325632.

The previous prime is 945851. The next prime is 945881. The reversal of 945880 is 88549.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8787 + ... + 8893.

2⁹⁴⁵⁸⁸⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 945880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1224720).

945880 is an abundant number, since it is smaller than the sum of its proper divisors (1503560).

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

945880 is a wasteful number, since it uses less digits than its factorization.

945880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 945880 is about 972.5636225975. The cubic root of 945880 is about 98.1624405787.

The spelling of 945880 in words is "nine hundred forty-five thousand, eight hundred eighty".