5128669 has 8 divisors (see below), whose sum is σ = 6312320. Its totient is φ = 4057776.

The previous prime is 5128667. The next prime is 5128691. The reversal of 5128669 is 9668215.

5128669 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5128669 - 2¹ = 5128667 is a prime.

It is a super-2 number, since 2×5128669² = 52606491423122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5128661) 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, 28089 + ... + 28270.

It is an arithmetic number, because the mean of its divisors is an integer number (789040).

Almost surely, 2^5128669 is an apocalyptic number.

5128669 is the 1308-th hex number.

It is an amenable number.

5128669 is a deficient number, since it is larger than the sum of its proper divisors (1183651).

5128669 is a wasteful number, since it uses less digits than its factorization.

5128669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56379.

The product of its digits is 25920, while the sum is 37.

The square root of 5128669 is about 2264.6564860923. The cubic root of 5128669 is about 172.4519953238.

The spelling of 5128669 in words is "five million, one hundred twenty-eight thousand, six hundred sixty-nine".