1826428 has 6 divisors (see below), whose sum is σ = 3196256. Its totient is φ = 913212.

The previous prime is 1826423. The next prime is 1826443. The reversal of 1826428 is 8246281.

It is a self number, because there is not a number n which added to its sum of digits gives 1826428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1826423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228300 + ... + 228307.

2^1826428 is an apocalyptic number.

It is an amenable number.

1826428 is a deficient number, since it is larger than the sum of its proper divisors (1369828).

1826428 is a wasteful number, since it uses less digits than its factorization.

1826428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456611 (or 456609 counting only the distinct ones).

The product of its digits is 6144, while the sum is 31.

The square root of 1826428 is about 1351.4540317747. The cubic root of 1826428 is about 122.2364847757.

The spelling of 1826428 in words is "one million, eight hundred twenty-six thousand, four hundred twenty-eight".