698789098 has 16 divisors (see below), whose sum is σ = 1222372800. Its totient is φ = 299480748.

The previous prime is 698789093. The next prime is 698789123. The reversal of 698789098 is 890987896.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (698789093) 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, 508636 + ... + 510007.

It is an arithmetic number, because the mean of its divisors is an integer number (76398300).

Almost surely, 2^698789098 is an apocalyptic number.

698789098 is a deficient number, since it is larger than the sum of its proper divisors (523583702).

698789098 is a wasteful number, since it uses less digits than its factorization.

698789098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018666 (or 1018652 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 64.

The square root of 698789098 is about 26434.6193087776. The cubic root of 698789098 is about 887.3917230333.

The spelling of 698789098 in words is "six hundred ninety-eight million, seven hundred eighty-nine thousand, ninety-eight".