38621250 has 60 divisors (see below), whose sum is σ = 104596206. Its totient is φ = 10296000.

The previous prime is 38621249. The next prime is 38621269. The reversal of 38621250 is 5212683.

38621250 is a `hidden beast` number, since 38 + 621 + 2 + 5 + 0 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 19881 + 38601369 = 141^2 + 6213^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 9534 + ... + 12966.

Almost surely, 2^38621250 is an apocalyptic number.

38621250 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 38621250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52298103).

38621250 is an abundant number, since it is smaller than the sum of its proper divisors (65974956).

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

38621250 is a wasteful number, since it uses less digits than its factorization.

38621250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3461 (or 3443 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 38621250 is about 6214.5997457600. The cubic root of 38621250 is about 338.0197752280.

The spelling of 38621250 in words is "thirty-eight million, six hundred twenty-one thousand, two hundred fifty".