1838283954 has 64 divisors (see below), whose sum is σ = 4067134848. Its totient is φ = 550310400.

The previous prime is 1838283919. The next prime is 1838283961. The reversal of 1838283954 is 4593828381.

It is a junction number, because it is equal to n+sod(n) for n = 1838283897 and 1838283906.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1799964 + ... + 1800984.

It is an arithmetic number, because the mean of its divisors is an integer number (63548982).

Almost surely, 2^1838283954 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1838283954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2033567424).

1838283954 is an abundant number, since it is smaller than the sum of its proper divisors (2228850894).

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

1838283954 is a wasteful number, since it uses less digits than its factorization.

1838283954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643.

The product of its digits is 1658880, while the sum is 51.

The square root of 1838283954 is about 42875.2137487383. The cubic root of 1838283954 is about 1225.0040714012.

The spelling of 1838283954 in words is "one billion, eight hundred thirty-eight million, two hundred eighty-three thousand, nine hundred fifty-four".