2600428 has 6 divisors (see below), whose sum is σ = 4550756. Its totient is φ = 1300212.

The previous prime is 2600417. The next prime is 2600453. The reversal of 2600428 is 8240062.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2600399 and 2600408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325050 + ... + 325057.

2^2600428 is an apocalyptic number.

It is an amenable number.

2600428 is a deficient number, since it is larger than the sum of its proper divisors (1950328).

2600428 is a wasteful number, since it uses less digits than its factorization.

2600428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650111 (or 650109 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2600428 is about 1612.5842613643. The cubic root of 2600428 is about 137.5144315431.

The spelling of 2600428 in words is "two million, six hundred thousand, four hundred twenty-eight".