39378044 has 12 divisors (see below), whose sum is σ = 69940584. Its totient is φ = 19395024.

The previous prime is 39378041. The next prime is 39378049. The reversal of 39378044 is 44087393.

It is a junction number, because it is equal to n+sod(n) for n = 39377989 and 39378007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39378041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73199 + ... + 73734.

It is an arithmetic number, because the mean of its divisors is an integer number (5828382).

Almost surely, 2^39378044 is an apocalyptic number.

It is an amenable number.

39378044 is a deficient number, since it is larger than the sum of its proper divisors (30562540).

39378044 is a wasteful number, since it uses less digits than its factorization.

39378044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147004 (or 147002 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 39378044 is about 6275.1927460437. The cubic root of 39378044 is about 340.2133724105.

The spelling of 39378044 in words is "thirty-nine million, three hundred seventy-eight thousand, forty-four".