4579940 has 48 divisors (see below), whose sum is σ = 10160640. Its totient is φ = 1731840.

The previous prime is 4579937. The next prime is 4579951. The reversal of 4579940 is 499754.

It is a junction number, because it is equal to n+sod(n) for n = 4579894 and 4579903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51416 + ... + 51504.

It is an arithmetic number, because the mean of its divisors is an integer number (211680).

Almost surely, 2^4579940 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 4579940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5080320).

4579940 is an abundant number, since it is smaller than the sum of its proper divisors (5580700).

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

4579940 is a wasteful number, since it uses less digits than its factorization.

4579940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 4579940 is about 2140.0794377780. The cubic root of 4579940 is about 166.0682450320.

The spelling of 4579940 in words is "four million, five hundred seventy-nine thousand, nine hundred forty".