728410 has 16 divisors (see below), whose sum is σ = 1368576. Its totient is φ = 278608.

The previous prime is 728383. The next prime is 728417. The reversal of 728410 is 14827.

It is a super-2 number, since 2×728410² = 1061162256200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (728417) 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 7 ways as a sum of consecutive naturals, for example, 1354 + ... + 1813.

It is an arithmetic number, because the mean of its divisors is an integer number (85536).

2⁷²⁸⁴¹⁰ is an apocalyptic number.

728410 is a deficient number, since it is larger than the sum of its proper divisors (640166).

728410 is a wasteful number, since it uses less digits than its factorization.

728410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 728410 is about 853.4693901951. The cubic root of 728410 is about 89.9757136115.

The spelling of 728410 in words is "seven hundred twenty-eight thousand, four hundred ten".