698056861 has 8 divisors (see below), whose sum is σ = 703442880. Its totient is φ = 692687712.

The previous prime is 698056859. The next prime is 698056867. The reversal of 698056861 is 168650896.

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

It is a cyclic number.

It is not a de Polignac number, because 698056861 - 2¹ = 698056859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698056867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86161 + ... + 93913.

It is an arithmetic number, because the mean of its divisors is an integer number (87930360).

Almost surely, 2^698056861 is an apocalyptic number.

It is an amenable number.

698056861 is a deficient number, since it is larger than the sum of its proper divisors (5386019).

698056861 is a wasteful number, since it uses less digits than its factorization.

698056861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8435.

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 698056861 is about 26420.7657156260. The cubic root of 698056861 is about 887.0816589772.

The spelling of 698056861 in words is "six hundred ninety-eight million, fifty-six thousand, eight hundred sixty-one".