1226328 has 32 divisors (see below), whose sum is σ = 3150960. Its totient is φ = 397440.

The previous prime is 1226321. The next prime is 1226339. The reversal of 1226328 is 8236221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1226298 and 1226307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226321) 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, 198 + ... + 1578.

2^1226328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1226328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1575480).

1226328 is an abundant number, since it is smaller than the sum of its proper divisors (1924632).

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

1226328 is a wasteful number, since it uses less digits than its factorization.

1226328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427 (or 1423 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 1226328 is about 1107.3969478015. The cubic root of 1226328 is about 107.0373992187.

The spelling of 1226328 in words is "one million, two hundred twenty-six thousand, three hundred twenty-eight".