2000428 has 6 divisors (see below), whose sum is σ = 3500756. Its totient is φ = 1000212.

The previous prime is 2000423. The next prime is 2000429. The reversal of 2000428 is 8240002.

It is not an unprimeable number, because it can be changed into a prime (2000423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250050 + ... + 250057.

2^2000428 is an apocalyptic number.

It is an amenable number.

2000428 is a deficient number, since it is larger than the sum of its proper divisors (1500328).

2000428 is a wasteful number, since it uses less digits than its factorization.

2000428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500111 (or 500109 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2000428 is about 1414.3648751295. The cubic root of 2000428 is about 126.0010917853.

The spelling of 2000428 in words is "two million, four hundred twenty-eight", and thus it is an aban number.