38438370 has 48 divisors (see below), whose sum is σ = 100414080. Its totient is φ = 10201632.

The previous prime is 38438353. The next prime is 38438381. The reversal of 38438370 is 7383483.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20617 + ... + 22403.

It is an arithmetic number, because the mean of its divisors is an integer number (2091960).

Almost surely, 2^38438370 is an apocalyptic number.

38438370 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38438370 is an abundant number, since it is smaller than the sum of its proper divisors (61975710).

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

38438370 is a wasteful number, since it uses less digits than its factorization.

38438370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039 (or 2036 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 38438370 is about 6199.8685469936. The cubic root of 38438370 is about 337.4853985453.

The spelling of 38438370 in words is "thirty-eight million, four hundred thirty-eight thousand, three hundred seventy".