39897038 has 4 divisors (see below), whose sum is σ = 59845560. Its totient is φ = 19948518.

The previous prime is 39897029. The next prime is 39897043. The reversal of 39897038 is 83079893.

39897038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 39896983 and 39897001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9974258 + ... + 9974261.

It is an arithmetic number, because the mean of its divisors is an integer number (14961390).

Almost surely, 2^39897038 is an apocalyptic number.

39897038 is a deficient number, since it is larger than the sum of its proper divisors (19948522).

39897038 is a wasteful number, since it uses less digits than its factorization.

39897038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19948521.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 39897038 is about 6316.4102146710. The cubic root of 39897038 is about 341.7014996280.

The spelling of 39897038 in words is "thirty-nine million, eight hundred ninety-seven thousand, thirty-eight".