4855640 has 32 divisors (see below), whose sum is σ = 11502000. Its totient is φ = 1839744.

The previous prime is 4855601. The next prime is 4855651. The reversal of 4855640 is 465584.

It is a junction number, because it is equal to n+sod(n) for n = 4855597 and 4855606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2435 + ... + 3954.

Almost surely, 2^4855640 is an apocalyptic number.

4855640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4855640 is an abundant number, since it is smaller than the sum of its proper divisors (6646360).

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

4855640 is a wasteful number, since it uses less digits than its factorization.

4855640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6419 (or 6415 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 4855640 is about 2203.5516785408. The cubic root of 4855640 is about 169.3358167463.

The spelling of 4855640 in words is "four million, eight hundred fifty-five thousand, six hundred forty".