38630000 has 50 divisors (see below), whose sum is σ = 93551304. Its totient is φ = 15448000.

The previous prime is 38629993. The next prime is 38630023. The reversal of 38630000 is 3683.

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8069 + ... + 11931.

Almost surely, 2^38630000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38630000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46775652).

38630000 is an abundant number, since it is smaller than the sum of its proper divisors (54921304).

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

38630000 is an equidigital number, since it uses as much as digits as its factorization.

38630000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3891 (or 3870 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 38630000 is about 6215.3036933041. The cubic root of 38630000 is about 338.0453004652.

Adding to 38630000 its reverse (3683), we get a palindrome (38633683).

The spelling of 38630000 in words is "thirty-eight million, six hundred thirty thousand".