5128650 has 96 divisors (see below), whose sum is σ = 14731200. Its totient is φ = 1310400.

The previous prime is 5128639. The next prime is 5128657. The reversal of 5128650 is 568215.

5128650 = T₆₂₈ + T₆₂₉ + ... + T₆₅₂.

5128650 is a `hidden beast` number, since 5 + 1 + 2 + 8 + 650 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5128657) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39085 + ... + 39215.

It is an arithmetic number, because the mean of its divisors is an integer number (153450).

Almost surely, 2^5128650 is an apocalyptic number.

5128650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5128650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7365600).

5128650 is an abundant number, since it is smaller than the sum of its proper divisors (9602550).

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

5128650 is a wasteful number, since it uses less digits than its factorization.

5128650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 5128650 is about 2264.6522911917. The cubic root of 5128650 is about 172.4517823646.

It can be divided in two parts, 5128 and 650, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 5128650 in words is "five million, one hundred twenty-eight thousand, six hundred fifty".