1805034 has 32 divisors (see below), whose sum is σ = 4502016. Its totient is φ = 468720.

The previous prime is 1805003. The next prime is 1805039. The reversal of 1805034 is 4305081.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1805034.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1805039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1492 + ... + 2415.

It is an arithmetic number, because the mean of its divisors is an integer number (140688).

2^1805034 is an apocalyptic number.

1805034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1805034 is an abundant number, since it is smaller than the sum of its proper divisors (2696982).

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

1805034 is a wasteful number, since it uses less digits than its factorization.

1805034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3930.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1805034 is about 1343.5155376846. The cubic root of 1805034 is about 121.7573336393.

The spelling of 1805034 in words is "one million, eight hundred five thousand, thirty-four".