1838380468 has 12 divisors (see below), whose sum is σ = 3295633572. Its totient is φ = 896770880.

The previous prime is 1838380463. The next prime is 1838380519. The reversal of 1838380468 is 8640838381.

It can be written as a sum of positive squares in 2 ways, for example, as 252110884 + 1586269584 = 15878^2 + 39828^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1838380463) 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, 5604655 + ... + 5604982.

It is an arithmetic number, because the mean of its divisors is an integer number (274636131).

Almost surely, 2^1838380468 is an apocalyptic number.

It is an amenable number.

1838380468 is a deficient number, since it is larger than the sum of its proper divisors (1457253104).

1838380468 is a wasteful number, since it uses less digits than its factorization.

1838380468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11209682 (or 11209680 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 49.

The square root of 1838380468 is about 42876.3392560512. The cubic root of 1838380468 is about 1225.0255095063.

The spelling of 1838380468 in words is "one billion, eight hundred thirty-eight million, three hundred eighty thousand, four hundred sixty-eight".