1839738552 has 64 divisors (see below), whose sum is σ = 4720584960. Its totient is φ = 597139200.

The previous prime is 1839738547. The next prime is 1839738553. The reversal of 1839738552 is 2558379381.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1839738495 and 1839738504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1839738553) 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, 619423 + ... + 622385.

It is an arithmetic number, because the mean of its divisors is an integer number (73759140).

Almost surely, 2^1839738552 is an apocalyptic number.

1839738552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1839738552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2360292480).

1839738552 is an abundant number, since it is smaller than the sum of its proper divisors (2880846408).

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

1839738552 is a wasteful number, since it uses less digits than its factorization.

1839738552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3644 (or 3640 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 51.

The square root of 1839738552 is about 42892.1735518264. The cubic root of 1839738552 is about 1225.3270934391.

The spelling of 1839738552 in words is "one billion, eight hundred thirty-nine million, seven hundred thirty-eight thousand, five hundred fifty-two".