739638 has 16 divisors (see below), whose sum is σ = 1643760. Its totient is φ = 246528.

The previous prime is 739637. The next prime is 739649. The reversal of 739638 is 836937.

739638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 739638.

It is not an unprimeable number, because it can be changed into a prime (739631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6795 + ... + 6902.

It is an arithmetic number, because the mean of its divisors is an integer number (102735).

2⁷³⁹⁶³⁸ is an apocalyptic number.

739638 is an abundant number, since it is smaller than the sum of its proper divisors (904122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

739638 is a wasteful number, since it uses less digits than its factorization.

739638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13708 (or 13702 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 739638 is about 860.0220927395. The cubic root of 739638 is about 90.4356654374.

The spelling of 739638 in words is "seven hundred thirty-nine thousand, six hundred thirty-eight".