2196428 has 12 divisors (see below), whose sum is σ = 4139520. Its totient is φ = 1013712.

The previous prime is 2196413. The next prime is 2196433. The reversal of 2196428 is 8246912.

It is a junction number, because it is equal to n+sod(n) for n = 2196394 and 2196403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21068 + ... + 21171.

It is an arithmetic number, because the mean of its divisors is an integer number (344960).

2^2196428 is an apocalyptic number.

It is an amenable number.

2196428 is a deficient number, since it is larger than the sum of its proper divisors (1943092).

2196428 is a wasteful number, since it uses less digits than its factorization.

2196428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42256 (or 42254 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 2196428 is about 1482.0350873039. The cubic root of 2196428 is about 129.9887169695.

The spelling of 2196428 in words is "two million, one hundred ninety-six thousand, four hundred twenty-eight".