4628840 has 32 divisors (see below), whose sum is σ = 10531080. Its totient is φ = 1830912.

The previous prime is 4628807. The next prime is 4628849. The reversal of 4628840 is 488264.

It can be written as a sum of positive squares in 4 ways, for example, as 3632836 + 996004 = 1906^2 + 998^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4628797 and 4628806.

It is not an unprimeable number, because it can be changed into a prime (4628849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3284 + ... + 4476.

Almost surely, 2^4628840 is an apocalyptic number.

4628840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4628840 is an abundant number, since it is smaller than the sum of its proper divisors (5902240).

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

4628840 is a wasteful number, since it uses less digits than its factorization.

4628840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301 (or 1297 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 4628840 is about 2151.4739133905. The cubic root of 4628840 is about 166.6571905723.

The spelling of 4628840 in words is "four million, six hundred twenty-eight thousand, eight hundred forty".