38290000 has 100 divisors (see below), whose sum is σ = 106141024. Its totient is φ = 13104000.

The previous prime is 38289971. The next prime is 38290003. The reversal of 38290000 is 9283.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×38290000² = 2932248200000000, which contains 22 as substring.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38290003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 69727 + ... + 70273.

Almost surely, 2^38290000 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 38290000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53070512).

38290000 is an abundant number, since it is smaller than the sum of its proper divisors (67851024).

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

38290000 is an equidigital number, since it uses as much as digits as its factorization.

38290000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582 (or 561 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 38290000 is about 6187.8914017620. The cubic root of 38290000 is about 337.0506136063.

Adding to 38290000 its reverse (9283), we get a palindrome (38299283).

The spelling of 38290000 in words is "thirty-eight million, two hundred ninety thousand".