4789840 has 40 divisors (see below), whose sum is σ = 12151008. Its totient is φ = 1741440.

The previous prime is 4789831. The next prime is 4789853. The reversal of 4789840 is 489874.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 4789793 and 4789802.

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, 1842 + ... + 3601.

Almost surely, 2^4789840 is an apocalyptic number.

4789840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4789840 is an abundant number, since it is smaller than the sum of its proper divisors (7361168).

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

4789840 is a wasteful number, since it uses less digits than its factorization.

4789840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5467 (or 5461 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 4789840 is about 2188.5703095857. The cubic root of 4789840 is about 168.5674312673.

The spelling of 4789840 in words is "four million, seven hundred eighty-nine thousand, eight hundred forty".