1630804 has 12 divisors (see below), whose sum is σ = 3261664. Its totient is φ = 698904.

The previous prime is 1630801. The next prime is 1630813. The reversal of 1630804 is 4080361.

1630804 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630801) 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, 29094 + ... + 29149.

2^1630804 is an apocalyptic number.

1630804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1630804 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.

1630804 is a wasteful number, since it uses less digits than its factorization.

1630804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58254 (or 58252 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1630804 is about 1277.0293653632. The cubic root of 1630804 is about 117.7065388054.

The spelling of 1630804 in words is "one million, six hundred thirty thousand, eight hundred four".