38849850 has 144 divisors (see below), whose sum is σ = 116789400. Its totient is φ = 9192960.

The previous prime is 38849831. The next prime is 38849857. The reversal of 38849850 is 5894883.

It can be written as a sum of positive squares in 12 ways, for example, as 4028049 + 34821801 = 2007^2 + 5901^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38849796 and 38849805.

It is not an unprimeable number, because it can be changed into a prime (38849857) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 169536 + ... + 169764.

Almost surely, 2^38849850 is an apocalyptic number.

38849850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 38849850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58394700).

38849850 is an abundant number, since it is smaller than the sum of its proper divisors (77939550).

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

38849850 is a wasteful number, since it uses less digits than its factorization.

38849850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 38849850 is about 6232.9647841136. The cubic root of 38849850 is about 338.6853791215.

The spelling of 38849850 in words is "thirty-eight million, eight hundred forty-nine thousand, eight hundred fifty".