1481788 has 48 divisors (see below), whose sum is σ = 3435264. Its totient is φ = 541440.

The previous prime is 1481783. The next prime is 1481797. The reversal of 1481788 is 8871841.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481783) 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 15 ways as a sum of consecutive naturals, for example, 5095 + ... + 5377.

It is an arithmetic number, because the mean of its divisors is an integer number (71568).

2^1481788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1481788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1717632).

1481788 is an abundant number, since it is smaller than the sum of its proper divisors (1953476).

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

1481788 is a wasteful number, since it uses less digits than its factorization.

1481788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 320 counting only the distinct ones).

The product of its digits is 14336, while the sum is 37.

The square root of 1481788 is about 1217.2871477182. The cubic root of 1481788 is about 114.0062579924.

Multiplying 1481788 by its sum of digits (37), we get a triangular number (54826156 = T₁₀₄₇₁).

It can be divided in two parts, 148 and 1788, that added together give a square (1936 = 44²).

The spelling of 1481788 in words is "one million, four hundred eighty-one thousand, seven hundred eighty-eight".