1783388052 has 36 divisors (see below), whose sum is σ = 4558668660. Its totient is φ = 587782272.

The previous prime is 1783388017. The next prime is 1783388081. The reversal of 1783388052 is 2508833871.

It can be written as a sum of positive squares in 2 ways, for example, as 512750736 + 1270637316 = 22644^2 + 35646^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 1783387989 and 1783388007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 275103 + ... + 281510.

It is an arithmetic number, because the mean of its divisors is an integer number (126629685).

Almost surely, 2^1783388052 is an apocalyptic number.

1783388052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1783388052 is an abundant number, since it is smaller than the sum of its proper divisors (2775280608).

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

1783388052 is a wasteful number, since it uses less digits than its factorization.

1783388052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556712 (or 556707 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 1783388052 is about 42230.1793981508. The cubic root of 1783388052 is about 1212.6867085137.

The spelling of 1783388052 in words is "one billion, seven hundred eighty-three million, three hundred eighty-eight thousand, fifty-two".