2176428 has 24 divisors (see below), whose sum is σ = 5156032. Its totient is φ = 714384.

The previous prime is 2176423. The next prime is 2176439. The reversal of 2176428 is 8246712.

It is a junction number, because it is equal to n+sod(n) for n = 2176395 and 2176404.

It is not an unprimeable number, because it can be changed into a prime (2176423) 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, 550 + ... + 2157.

2^2176428 is an apocalyptic number.

It is an amenable number.

2176428 is an abundant number, since it is smaller than the sum of its proper divisors (2979604).

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

2176428 is a wasteful number, since it uses less digits than its factorization.

2176428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781 (or 2779 counting only the distinct ones).

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

The square root of 2176428 is about 1475.2721782776. The cubic root of 2176428 is about 129.5929675349.

The spelling of 2176428 in words is "two million, one hundred seventy-six thousand, four hundred twenty-eight".