5128646 has 4 divisors (see below), whose sum is σ = 7692972. Its totient is φ = 2564322.

The previous prime is 5128639. The next prime is 5128657. The reversal of 5128646 is 6468215.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282160 + ... + 1282163.

It is an arithmetic number, because the mean of its divisors is an integer number (1923243).

Almost surely, 2^5128646 is an apocalyptic number.

5128646 is a deficient number, since it is larger than the sum of its proper divisors (2564326).

5128646 is a wasteful number, since it uses less digits than its factorization.

5128646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564325.

The product of its digits is 11520, while the sum is 32.

The square root of 5128646 is about 2264.6514080538. The cubic root of 5128646 is about 172.4517375310.

The spelling of 5128646 in words is "five million, one hundred twenty-eight thousand, six hundred forty-six".