698384479 has 8 divisors (see below), whose sum is σ = 752426640. Its totient is φ = 644388096.

The previous prime is 698384441. The next prime is 698384521. The reversal of 698384479 is 974483896.

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 698384479 - 2⁹ = 698383967 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 (698384419) 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, 24432 + ... + 44650.

It is an arithmetic number, because the mean of its divisors is an integer number (94053330).

Almost surely, 2^698384479 is an apocalyptic number.

698384479 is a deficient number, since it is larger than the sum of its proper divisors (54042161).

698384479 is a wasteful number, since it uses less digits than its factorization.

698384479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22889.

The product of its digits is 10450944, while the sum is 58.

The square root of 698384479 is about 26426.9649978956. The cubic root of 698384479 is about 887.2204148489.

The spelling of 698384479 in words is "six hundred ninety-eight million, three hundred eighty-four thousand, four hundred seventy-nine".