39378238 has 4 divisors (see below), whose sum is σ = 59067360. Its totient is φ = 19689118.

The previous prime is 39378223. The next prime is 39378253. The reversal of 39378238 is 83287393.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (39378223) and next prime (39378253).

It is a junction number, because it is equal to n+sod(n) for n = 39378194 and 39378203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9844558 + ... + 9844561.

It is an arithmetic number, because the mean of its divisors is an integer number (14766840).

Almost surely, 2^39378238 is an apocalyptic number.

39378238 is a deficient number, since it is larger than the sum of its proper divisors (19689122).

39378238 is a wasteful number, since it uses less digits than its factorization.

39378238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19689121.

The product of its digits is 217728, while the sum is 43.

The square root of 39378238 is about 6275.2082037172. The cubic root of 39378238 is about 340.2139311083.

The spelling of 39378238 in words is "thirty-nine million, three hundred seventy-eight thousand, two hundred thirty-eight".