4923540 has 72 divisors (see below), whose sum is σ = 15823080. Its totient is φ = 1234944.

The previous prime is 4923539. The next prime is 4923563. The reversal of 4923540 is 453294.

4923540 = 30² + 31² + ... + 245².

It can be written as a sum of positive squares in 4 ways, for example, as 2471184 + 2452356 = 1572^2 + 1566^2 .

It is a super-3 number, since 3×4923540³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2256 + ... + 3864.

It is an arithmetic number, because the mean of its divisors is an integer number (219765).

Almost surely, 2^4923540 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 4923540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7911540).

4923540 is an abundant number, since it is smaller than the sum of its proper divisors (10899540).

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

4923540 is a wasteful number, since it uses less digits than its factorization.

4923540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641 (or 1636 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 4923540 is about 2218.9051354215. The cubic root of 4923540 is about 170.1214817960.

The spelling of 4923540 in words is "four million, nine hundred twenty-three thousand, five hundred forty".