8445380 has 24 divisors (see below), whose sum is σ = 18348120. Its totient is φ = 3261440.

The previous prime is 8445377. The next prime is 8445419. The reversal of 8445380 is 835448.

It can be written as a sum of positive squares in 4 ways, for example, as 2383936 + 6061444 = 1544^2 + 2462^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6701 + ... + 7860.

It is an arithmetic number, because the mean of its divisors is an integer number (764505).

Almost surely, 2^8445380 is an apocalyptic number.

It is an amenable number.

8445380 is an abundant number, since it is smaller than the sum of its proper divisors (9902740).

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

8445380 is a wasteful number, since it uses less digits than its factorization.

8445380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14599 (or 14597 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 8445380 is about 2906.0935979421. The cubic root of 8445380 is about 203.6446781498.

The spelling of 8445380 in words is "eight million, four hundred forty-five thousand, three hundred eighty".