4915840 has 32 divisors (see below), whose sum is σ = 11753460. Its totient is φ = 1966080.

The previous prime is 4915837. The next prime is 4915843. The reversal of 4915840 is 485194.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4915837) and next prime (4915843).

It can be written as a sum of positive squares in 2 ways, for example, as 4910656 + 5184 = 2216^2 + 72^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (4915843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3201 + ... + 4480.

Almost surely, 2^4915840 is an apocalyptic number.

4915840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4915840 is an abundant number, since it is smaller than the sum of its proper divisors (6837620).

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

4915840 is an equidigital number, since it uses as much as digits as its factorization.

4915840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7700 (or 7688 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 4915840 is about 2217.1693665573. The cubic root of 4915840 is about 170.0327503223.

The spelling of 4915840 in words is "four million, nine hundred fifteen thousand, eight hundred forty".