739983 has 4 divisors (see below), whose sum is σ = 986648. Its totient is φ = 493320.

The previous prime is 739969. The next prime is 740011. The reversal of 739983 is 389937.

It is a happy number.

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

It is not a de Polignac number, because 739983 - 2⁴ = 739967 is a prime.

It is a D-number.

It is a Duffinian number.

739983 is a lucky 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 739983.

It is not an unprimeable number, because it can be changed into a prime (739943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123328 + ... + 123333.

It is an arithmetic number, because the mean of its divisors is an integer number (246662).

2⁷³⁹⁹⁸³ is an apocalyptic number.

739983 is a deficient number, since it is larger than the sum of its proper divisors (246665).

739983 is a wasteful number, since it uses less digits than its factorization.

739983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246664.

The product of its digits is 40824, while the sum is 39.

The square root of 739983 is about 860.2226455982. Note that the first 3 decimals coincide. The cubic root of 739983 is about 90.4497243215.

The spelling of 739983 in words is "seven hundred thirty-nine thousand, nine hundred eighty-three".