38530836 has 48 divisors (see below), whose sum is σ = 100457280. Its totient is φ = 12771360.

The previous prime is 38530831. The next prime is 38530837. The reversal of 38530836 is 63803583.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 38530836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38530831) 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, 20371 + ... + 22181.

It is an arithmetic number, because the mean of its divisors is an integer number (2092860).

Almost surely, 2^38530836 is an apocalyptic number.

38530836 is a gapful number since it is divisible by the number (36) 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 38530836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50228640).

38530836 is an abundant number, since it is smaller than the sum of its proper divisors (61926444).

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

38530836 is a wasteful number, since it uses less digits than its factorization.

38530836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021 (or 2013 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 38530836 is about 6207.3211613384. The cubic root of 38530836 is about 337.7557962028.

The spelling of 38530836 in words is "thirty-eight million, five hundred thirty thousand, eight hundred thirty-six".