4806640 has 20 divisors (see below), whose sum is σ = 11175624. Its totient is φ = 1922624.

The previous prime is 4806589. The next prime is 4806649. The reversal of 4806640 is 466084.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-3 number, since 3×4806640³ (a number of 21 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4806599 and 4806608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4806649) 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, 29962 + ... + 30121.

Almost surely, 2^4806640 is an apocalyptic number.

4806640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4806640 is an abundant number, since it is smaller than the sum of its proper divisors (6368984).

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

4806640 is a wasteful number, since it uses less digits than its factorization.

4806640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60096 (or 60090 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 4806640 is about 2192.4050720613. The cubic root of 4806640 is about 168.7642804559.

The spelling of 4806640 in words is "four million, eight hundred six thousand, six hundred forty".