701398656 has 256 divisors, whose sum is σ = 2402304000. Its totient is φ = 197323776.

The previous prime is 701398651. The next prime is 701398697. The reversal of 701398656 is 656893107.

It is a happy number.

701398656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (701398651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1910985 + ... + 1911351.

It is an arithmetic number, because the mean of its divisors is an integer number (9384000).

Almost surely, 2^701398656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 701398656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1201152000).

701398656 is an abundant number, since it is smaller than the sum of its proper divisors (1700905344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

701398656 is a wasteful number, since it uses less digits than its factorization.

701398656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 701398656 is about 26483.9320343487. The cubic root of 701398656 is about 888.4949760551.

The spelling of 701398656 in words is "seven hundred one million, three hundred ninety-eight thousand, six hundred fifty-six".