1801488 has 40 divisors (see below), whose sum is σ = 5013568. Its totient is φ = 554112.

The previous prime is 1801477. The next prime is 1801489. The reversal of 1801488 is 8841081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1801489) 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, 820 + ... + 2067.

2^1801488 is an apocalyptic number.

It is an amenable number.

1801488 is an abundant number, since it is smaller than the sum of its proper divisors (3212080).

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

1801488 is a wasteful number, since it uses less digits than its factorization.

1801488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2911 (or 2905 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 30.

The square root of 1801488 is about 1342.1952167997. The cubic root of 1801488 is about 121.6775503702.

The spelling of 1801488 in words is "one million, eight hundred one thousand, four hundred eighty-eight".