1838520936 has 128 divisors (see below), whose sum is σ = 5849568000. Its totient is φ = 524123136.

The previous prime is 1838520923. The next prime is 1838520967. The reversal of 1838520936 is 6390258381.

It is a happy number.

1838520936 is a `hidden beast` number, since 1 + 8 + 38 + 520 + 93 + 6 = 666.

It is a super-2 number, since 2×1838520936² = 6760318464220632192, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1838520891 and 1838520900.

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, 859260 + ... + 861396.

It is an arithmetic number, because the mean of its divisors is an integer number (45699750).

Almost surely, 2^1838520936 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 1838520936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2924784000).

1838520936 is an abundant number, since it is smaller than the sum of its proper divisors (4011047064).

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

1838520936 is a wasteful number, since it uses less digits than its factorization.

1838520936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728 (or 2718 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 1838520936 is about 42877.9772843822. The cubic root of 1838520936 is about 1225.0567095224.

The spelling of 1838520936 in words is "one billion, eight hundred thirty-eight million, five hundred twenty thousand, nine hundred thirty-six".