39628078 has 8 divisors (see below), whose sum is σ = 67933872. Its totient is φ = 16983456.

The previous prime is 39628049. The next prime is 39628079. The reversal of 39628078 is 87082693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39628079) 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, 1415275 + ... + 1415302.

It is an arithmetic number, because the mean of its divisors is an integer number (8491734).

Almost surely, 2^39628078 is an apocalyptic number.

39628078 is a deficient number, since it is larger than the sum of its proper divisors (28305794).

39628078 is a wasteful number, since it uses less digits than its factorization.

39628078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830586.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 39628078 is about 6295.0836372522. The cubic root of 39628078 is about 340.9319242737.

The spelling of 39628078 in words is "thirty-nine million, six hundred twenty-eight thousand, seventy-eight".