38399375 has 40 divisors (see below), whose sum is σ = 56082048. Its totient is φ = 25740000.

The previous prime is 38399353. The next prime is 38399419. The reversal of 38399375 is 57399383.

It is not a de Polignac number, because 38399375 - 2¹⁶ = 38333839 is a prime.

It is a Duffinian number.

Its product of digits (612360) is a multiple of the sum of its prime divisors (210).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 293060 + ... + 293190.

Almost surely, 2^38399375 is an apocalyptic number.

38399375 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

38399375 is a deficient number, since it is larger than the sum of its proper divisors (17682673).

38399375 is an equidigital number, since it uses as much as digits as its factorization.

38399375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 210 counting only the distinct ones).

The product of its digits is 612360, while the sum is 47.

The square root of 38399375 is about 6196.7229242560. The cubic root of 38399375 is about 337.3712357447.

The spelling of 38399375 in words is "thirty-eight million, three hundred ninety-nine thousand, three hundred seventy-five".