730396 has 6 divisors (see below), whose sum is σ = 1278200. Its totient is φ = 365196.

The previous prime is 730363. The next prime is 730397. The reversal of 730396 is 693037.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730397) by changing a digit.

730396 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91296 + ... + 91303.

2⁷³⁰³⁹⁶ is an apocalyptic number.

It is an amenable number.

730396 is a deficient number, since it is larger than the sum of its proper divisors (547804).

730396 is a wasteful number, since it uses less digits than its factorization.

730396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182603 (or 182601 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 730396 is about 854.6320845838. The cubic root of 730396 is about 90.0574119282.

It can be divided in two parts, 7 and 30396, that added together give a palindrome (30403).

The spelling of 730396 in words is "seven hundred thirty thousand, three hundred ninety-six".