4485940 has 24 divisors (see below), whose sum is σ = 9577512. Its totient is φ = 1764480.

The previous prime is 4485937. The next prime is 4485941. The reversal of 4485940 is 495844.

It can be written as a sum of positive squares in 4 ways, for example, as 142884 + 4343056 = 378^2 + 2084^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4485896 and 4485905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4485941) 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, 619 + ... + 3058.

It is an arithmetic number, because the mean of its divisors is an integer number (399063).

Almost surely, 2^4485940 is an apocalyptic number.

It is an amenable number.

4485940 is an abundant number, since it is smaller than the sum of its proper divisors (5091572).

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

4485940 is a wasteful number, since it uses less digits than its factorization.

4485940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3747 (or 3745 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 4485940 is about 2118.0037771449. The cubic root of 4485940 is about 164.9242382518.

The spelling of 4485940 in words is "four million, four hundred eighty-five thousand, nine hundred forty".