38712030 has 64 divisors (see below), whose sum is σ = 107509248. Its totient is φ = 8737920.

The previous prime is 38712029. The next prime is 38712041. The reversal of 38712030 is 3021783.

It is a congruent number.

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, 16320 + ... + 18540.

It is an arithmetic number, because the mean of its divisors is an integer number (1679832).

Almost surely, 2^38712030 is an apocalyptic number.

38712030 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 38712030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53754624).

38712030 is an abundant number, since it is smaller than the sum of its proper divisors (68797218).

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

38712030 is a wasteful number, since it uses less digits than its factorization.

38712030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 38712030 is about 6221.8992277278. The cubic root of 38712030 is about 338.2844086816.

The spelling of 38712030 in words is "thirty-eight million, seven hundred twelve thousand, thirty".