4927440 has 120 divisors (see below), whose sum is σ = 17811360. Its totient is φ = 1123584.

The previous prime is 4927423. The next prime is 4927453. The reversal of 4927440 is 447294.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4927398 and 4927407.

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, 11551 + ... + 11969.

It is an arithmetic number, because the mean of its divisors is an integer number (148428).

Almost surely, 2^4927440 is an apocalyptic number.

4927440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4927440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8905680).

4927440 is an abundant number, since it is smaller than the sum of its proper divisors (12883920).

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

4927440 is a wasteful number, since it uses less digits than its factorization.

4927440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 4927440 is about 2219.7837732536. The cubic root of 4927440 is about 170.1663884197.

The spelling of 4927440 in words is "four million, nine hundred twenty-seven thousand, four hundred forty".