5642128 has 10 divisors (see below), whose sum is σ = 10931654. Its totient is φ = 2821056.

The previous prime is 5642099. The next prime is 5642191. The reversal of 5642128 is 8212465.

It can be written as a sum of positive squares in only one way, i.e., 5531904 + 110224 = 2352^2 + 332^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5642096 and 5642105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176301 + ... + 176332.

Almost surely, 2^5642128 is an apocalyptic number.

It is an amenable number.

5642128 is a deficient number, since it is larger than the sum of its proper divisors (5289526).

5642128 is a wasteful number, since it uses less digits than its factorization.

5642128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352641 (or 352635 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 5642128 is about 2375.3163999771. The cubic root of 5642128 is about 178.0249933343.

The spelling of 5642128 in words is "five million, six hundred forty-two thousand, one hundred twenty-eight".