38484690 has 64 divisors (see below), whose sum is σ = 98288640. Its totient is φ = 9616320.

The previous prime is 38484689. The next prime is 38484701. The reversal of 38484690 is 9648483.

38484690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×38484690² = 2962142728792200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60675 + ... + 61305.

It is an arithmetic number, because the mean of its divisors is an integer number (1535760).

Almost surely, 2^38484690 is an apocalyptic number.

38484690 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 38484690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49144320).

38484690 is an abundant number, since it is smaller than the sum of its proper divisors (59803950).

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

38484690 is a wasteful number, since it uses less digits than its factorization.

38484690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 38484690 is about 6203.6029853626. The cubic root of 38484690 is about 337.6209059271.

The spelling of 38484690 in words is "thirty-eight million, four hundred eighty-four thousand, six hundred ninety".