729400846 has 8 divisors (see below), whose sum is σ = 1107283464. Its totient is φ = 360306360.

The previous prime is 729400807. The next prime is 729400877. The reversal of 729400846 is 648004927.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 729400799 and 729400808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2196825 + ... + 2197156.

It is an arithmetic number, because the mean of its divisors is an integer number (138410433).

Almost surely, 2^729400846 is an apocalyptic number.

729400846 is a deficient number, since it is larger than the sum of its proper divisors (377882618).

729400846 is a wasteful number, since it uses less digits than its factorization.

729400846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4394066.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 729400846 is about 27007.4220539466. The cubic root of 729400846 is about 900.1649269766.

The spelling of 729400846 in words is "seven hundred twenty-nine million, four hundred thousand, eight hundred forty-six".