1830040 has 16 divisors (see below), whose sum is σ = 4117680. Its totient is φ = 732000.

The previous prime is 1830029. The next prime is 1830047. The reversal of 1830040 is 400381.

It is a junction number, because it is equal to n+sod(n) for n = 1829996 and 1830023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1830047) 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, 22836 + ... + 22915.

It is an arithmetic number, because the mean of its divisors is an integer number (257355).

2^1830040 is an apocalyptic number.

1830040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1830040 is an abundant number, since it is smaller than the sum of its proper divisors (2287640).

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

1830040 is a wasteful number, since it uses less digits than its factorization.

1830040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45762 (or 45758 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1830040 is about 1352.7897101915. The cubic root of 1830040 is about 122.3170112549.

The spelling of 1830040 in words is "one million, eight hundred thirty thousand, forty".