38397250 has 16 divisors (see below), whose sum is σ = 71880120. Its totient is φ = 15358800.

The previous prime is 38397241. The next prime is 38397253. The reversal of 38397250 is 5279383.

It can be written as a sum of positive squares in 4 ways, for example, as 2289169 + 36108081 = 1513^2 + 6009^2 .

It is not an unprimeable number, because it can be changed into a prime (38397253) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 76545 + ... + 77044.

Almost surely, 2^38397250 is an apocalyptic number.

38397250 is a deficient number, since it is larger than the sum of its proper divisors (33482870).

38397250 is a wasteful number, since it uses less digits than its factorization.

38397250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153606 (or 153596 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 38397250 is about 6196.5514602882. The cubic root of 38397250 is about 337.3650123179.

The spelling of 38397250 in words is "thirty-eight million, three hundred ninety-seven thousand, two hundred fifty".