2167000428 has 24 divisors (see below), whose sum is σ = 5094936000. Its totient is φ = 716818960.

The previous prime is 2167000427. The next prime is 2167000457. The reversal of 2167000428 is 8240007612.

It is a junction number, because it is equal to n+sod(n) for n = 2167000395 and 2167000404.

It is not an unprimeable number, because it can be changed into a prime (2167000427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687678 + ... + 690821.

It is an arithmetic number, because the mean of its divisors is an integer number (212289000).

Almost surely, 2^2167000428 is an apocalyptic number.

It is an amenable number.

2167000428 is an abundant number, since it is smaller than the sum of its proper divisors (2927935572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2167000428 is a wasteful number, since it uses less digits than its factorization.

2167000428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378637 (or 1378635 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 2167000428 is about 46551.0518463332. The cubic root of 2167000428 is about 1294.0557863302.

The spelling of 2167000428 in words is "two billion, one hundred sixty-seven million, four hundred twenty-eight", and thus it is an aban number.