1819364 has 24 divisors (see below), whose sum is σ = 3447360. Its totient is φ = 837216.

The previous prime is 1819361. The next prime is 1819381. The reversal of 1819364 is 4639181.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1819364.

It is not an unprimeable number, because it can be changed into a prime (1819361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2489 + ... + 3135.

It is an arithmetic number, because the mean of its divisors is an integer number (143640).

2^1819364 is an apocalyptic number.

It is an amenable number.

1819364 is a deficient number, since it is larger than the sum of its proper divisors (1627996).

1819364 is a wasteful number, since it uses less digits than its factorization.

1819364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707 (or 705 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 1819364 is about 1348.8380184440. The cubic root of 1819364 is about 122.0786915057.

The spelling of 1819364 in words is "one million, eight hundred nineteen thousand, three hundred sixty-four".