38397380 has 36 divisors (see below), whose sum is σ = 93801708. Its totient is φ = 13164480.

The previous prime is 38397371. The next prime is 38397383. The reversal of 38397380 is 8379383.

It can be written as a sum of positive squares in 2 ways, for example, as 24840256 + 13557124 = 4984^2 + 3682^2 .

It is not an unprimeable number, because it can be changed into a prime (38397383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18611 + ... + 20570.

It is an arithmetic number, because the mean of its divisors is an integer number (2605603).

Almost surely, 2^38397380 is an apocalyptic number.

It is an amenable number.

38397380 is an abundant number, since it is smaller than the sum of its proper divisors (55404328).

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

38397380 is a wasteful number, since it uses less digits than its factorization.

38397380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39204 (or 39195 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 38397380 is about 6196.5619499848. The cubic root of 38397380 is about 337.3653930518.

The spelling of 38397380 in words is "thirty-eight million, three hundred ninety-seven thousand, three hundred eighty".