734399 has 4 divisors (see below), whose sum is σ = 736464. Its totient is φ = 732336.

The previous prime is 734389. The next prime is 734401. The reversal of 734399 is 993437.

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

It is a cyclic number.

It is not a de Polignac number, because 734399 - 2⁸ = 734143 is a prime.

It is a d-powerful number, because it can be written as 7⁶ + 3⁹ + 3¹² + 4⁸ + 9 + 9² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734329) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 347 + ... + 1260.

It is an arithmetic number, because the mean of its divisors is an integer number (184116).

2⁷³⁴³⁹⁹ is an apocalyptic number.

734399 is a deficient number, since it is larger than the sum of its proper divisors (2065).

734399 is a wasteful number, since it uses less digits than its factorization.

734399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064.

The product of its digits is 20412, while the sum is 35.

The square root of 734399 is about 856.9708279749. The cubic root of 734399 is about 90.2216348220.

The spelling of 734399 in words is "seven hundred thirty-four thousand, three hundred ninety-nine".