38398770 has 48 divisors (see below), whose sum is σ = 103064832. Its totient is φ = 9908640.

The previous prime is 38398757. The next prime is 38398781. The reversal of 38398770 is 7789383.

38398770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 23 ways as a sum of consecutive naturals, for example, 4092 + ... + 9671.

It is an arithmetic number, because the mean of its divisors is an integer number (2147184).

Almost surely, 2^38398770 is an apocalyptic number.

38398770 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38398770 is an abundant number, since it is smaller than the sum of its proper divisors (64666062).

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

38398770 is a wasteful number, since it uses less digits than its factorization.

38398770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13807 (or 13804 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 38398770 is about 6196.6741079389. The cubic root of 38398770 is about 337.3694639219.

The spelling of 38398770 in words is "thirty-eight million, three hundred ninety-eight thousand, seven hundred seventy".