38506650 has 216 divisors, whose sum is σ = 124170624. Its totient is φ = 7862400.

The previous prime is 38506639. The next prime is 38506687. The reversal of 38506650 is 5660583.

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 107 ways as a sum of consecutive naturals, for example, 1242135 + ... + 1242165.

It is an arithmetic number, because the mean of its divisors is an integer number (574864).

Almost surely, 2^38506650 is an apocalyptic number.

38506650 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 38506650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62085312).

38506650 is an abundant number, since it is smaller than the sum of its proper divisors (85663974).

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

38506650 is a wasteful number, since it uses less digits than its factorization.

38506650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 38506650 is about 6205.3726721286. The cubic root of 38506650 is about 337.6851110723.

The spelling of 38506650 in words is "thirty-eight million, five hundred six thousand, six hundred fifty".