39379646 has 4 divisors (see below), whose sum is σ = 59069472. Its totient is φ = 19689822.

The previous prime is 39379643. The next prime is 39379649. The reversal of 39379646 is 64697393.

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 (39379643) and next prime (39379649).

It is a self number, because there is not a number n which added to its sum of digits gives 39379646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39379643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9844910 + ... + 9844913.

It is an arithmetic number, because the mean of its divisors is an integer number (14767368).

Almost surely, 2^39379646 is an apocalyptic number.

39379646 is a deficient number, since it is larger than the sum of its proper divisors (19689826).

39379646 is a wasteful number, since it uses less digits than its factorization.

39379646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19689825.

The product of its digits is 734832, while the sum is 47.

The square root of 39379646 is about 6275.3203902271. The cubic root of 39379646 is about 340.2179859326.

The spelling of 39379646 in words is "thirty-nine million, three hundred seventy-nine thousand, six hundred forty-six".