38458340 has 48 divisors (see below), whose sum is σ = 83426112. Its totient is φ = 14883456.

The previous prime is 38458331. The next prime is 38458351. The reversal of 38458340 is 4385483.

It is a happy number.

38458340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 38458340.

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 15 ways as a sum of consecutive naturals, for example, 169307 + ... + 169533.

It is an arithmetic number, because the mean of its divisors is an integer number (1738044).

Almost surely, 2^38458340 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 38458340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41713056).

38458340 is an abundant number, since it is smaller than the sum of its proper divisors (44967772).

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

38458340 is a wasteful number, since it uses less digits than its factorization.

38458340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 38458340 is about 6201.4788558859. The cubic root of 38458340 is about 337.5438333558.

The spelling of 38458340 in words is "thirty-eight million, four hundred fifty-eight thousand, three hundred forty".