5128394 has 8 divisors (see below), whose sum is σ = 7702500. Its totient is φ = 2560896.

The previous prime is 5128393. The next prime is 5128399. The reversal of 5128394 is 4938215.

It can be written as a sum of positive squares in 2 ways, for example, as 5121169 + 7225 = 2263^2 + 85^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 5128394.

It is not an unprimeable number, because it can be changed into a prime (5128391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1472 + ... + 3524.

Almost surely, 2^5128394 is an apocalyptic number.

5128394 is a deficient number, since it is larger than the sum of its proper divisors (2574106).

5128394 is a wasteful number, since it uses less digits than its factorization.

5128394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3304.

The product of its digits is 8640, while the sum is 32.

The square root of 5128394 is about 2264.5957696684. The cubic root of 5128394 is about 172.4489129681.

The spelling of 5128394 in words is "five million, one hundred twenty-eight thousand, three hundred ninety-four".