1228936 has 16 divisors (see below), whose sum is σ = 2404800. Its totient is φ = 587664.

The previous prime is 1228919. The next prime is 1228937. The reversal of 1228936 is 6398221.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1228898 and 1228907.

It is not an unprimeable number, because it can be changed into a prime (1228937) 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, 3156 + ... + 3523.

It is an arithmetic number, because the mean of its divisors is an integer number (150300).

2^1228936 is an apocalyptic number.

It is an amenable number.

1228936 is a deficient number, since it is larger than the sum of its proper divisors (1175864).

1228936 is a wasteful number, since it uses less digits than its factorization.

1228936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6708 (or 6704 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 1228936 is about 1108.5738586129. The cubic root of 1228936 is about 107.1132233813.

The spelling of 1228936 in words is "one million, two hundred twenty-eight thousand, nine hundred thirty-six".