1979228 has 12 divisors (see below), whose sum is σ = 3474240. Its totient is φ = 986592.

The previous prime is 1979227. The next prime is 1979233. The reversal of 1979228 is 8229791.

It is a junction number, because it is equal to n+sod(n) for n = 1979191 and 1979200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1979227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1400 + ... + 2432.

It is an arithmetic number, because the mean of its divisors is an integer number (289520).

2^1979228 is an apocalyptic number.

It is an amenable number.

1979228 is a deficient number, since it is larger than the sum of its proper divisors (1495012).

1979228 is a wasteful number, since it uses less digits than its factorization.

1979228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516 (or 1514 counting only the distinct ones).

The product of its digits is 18144, while the sum is 38.

The square root of 1979228 is about 1406.8503829477. The cubic root of 1979228 is about 125.5544014768.

The spelling of 1979228 in words is "one million, nine hundred seventy-nine thousand, two hundred twenty-eight".