38038620 has 48 divisors (see below), whose sum is σ = 107579808. Its totient is φ = 10041600.

The previous prime is 38038597. The next prime is 38038631. The reversal of 38038620 is 2683083.

It is a super-2 number, since 2×38038620² = 2893873223008800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2922 + ... + 9198.

It is an arithmetic number, because the mean of its divisors is an integer number (2241246).

Almost surely, 2^38038620 is an apocalyptic number.

38038620 is a gapful number since it is divisible by the number (30) 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 38038620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53789904).

38038620 is an abundant number, since it is smaller than the sum of its proper divisors (69541188).

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

38038620 is a wasteful number, since it uses less digits than its factorization.

38038620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6390 (or 6388 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 38038620 is about 6167.5457031140. The cubic root of 38038620 is about 336.3113964071.

The spelling of 38038620 in words is "thirty-eight million, thirty-eight thousand, six hundred twenty".