38397270 has 64 divisors (see below), whose sum is σ = 94944960. Its totient is φ = 9934848.

The previous prime is 38397263. The next prime is 38397299. The reversal of 38397270 is 7279383.

38397270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

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, 194812 + ... + 195008.

It is an arithmetic number, because the mean of its divisors is an integer number (1483515).

Almost surely, 2^38397270 is an apocalyptic number.

38397270 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 38397270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47472480).

38397270 is an abundant number, since it is smaller than the sum of its proper divisors (56547690).

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

38397270 is a wasteful number, since it uses less digits than its factorization.

38397270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 38397270 is about 6196.5530740889. The cubic root of 38397270 is about 337.3650708924.

The spelling of 38397270 in words is "thirty-eight million, three hundred ninety-seven thousand, two hundred seventy".