1818628 has 12 divisors (see below), whose sum is σ = 3637312. Its totient is φ = 779400.

The previous prime is 1818617. The next prime is 1818631. The reversal of 1818628 is 8268181.

1818628 is an admirable number.

It is a super-3 number, since 3×1818628³ = 18044833310502027456, which contains 333 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1818593 and 1818602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32448 + ... + 32503.

2^1818628 is an apocalyptic number.

It is an amenable number.

1818628 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1818628 is a wasteful number, since it uses less digits than its factorization.

1818628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64962 (or 64960 counting only the distinct ones).

The product of its digits is 6144, while the sum is 34.

The square root of 1818628 is about 1348.5651634237. The cubic root of 1818628 is about 122.0622275041.

The spelling of 1818628 in words is "one million, eight hundred eighteen thousand, six hundred twenty-eight".