698496805 has 16 divisors (see below), whose sum is σ = 881570304. Its totient is φ = 530562240.

The previous prime is 698496803. The next prime is 698496817. The reversal of 698496805 is 508694896.

It is not a de Polignac number, because 698496805 - 2¹ = 698496803 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 (698496803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34299 + ... + 50728.

It is an arithmetic number, because the mean of its divisors is an integer number (55098144).

Almost surely, 2^698496805 is an apocalyptic number.

It is an amenable number.

698496805 is a deficient number, since it is larger than the sum of its proper divisors (183073499).

698496805 is a wasteful number, since it uses less digits than its factorization.

698496805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85116.

The product of its (nonzero) digits is 3732480, while the sum is 55.

The square root of 698496805 is about 26429.0901281145. The cubic root of 698496805 is about 887.2679782283.

It can be divided in two parts, 698 and 496805, that added together give a triangular number (497503 = T₉₉₇).

The spelling of 698496805 in words is "six hundred ninety-eight million, four hundred ninety-six thousand, eight hundred five".