5128490 has 8 divisors (see below), whose sum is σ = 9231300. Its totient is φ = 2051392.

The previous prime is 5128489. The next prime is 5128493. The reversal of 5128490 is 948215.

It can be written as a sum of positive squares in 2 ways, for example, as 4844401 + 284089 = 2201^2 + 533^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5128493) 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, 256415 + ... + 256434.

Almost surely, 2^5128490 is an apocalyptic number.

5128490 is a deficient number, since it is larger than the sum of its proper divisors (4102810).

5128490 is a wasteful number, since it uses less digits than its factorization.

5128490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512856.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 5128490 is about 2264.6169654050. The cubic root of 5128490 is about 172.4499890029.

The spelling of 5128490 in words is "five million, one hundred twenty-eight thousand, four hundred ninety".