698328538 has 16 divisors (see below), whose sum is σ = 1085756544. Its totient is φ = 336631680.

The previous prime is 698328529. The next prime is 698328539. The reversal of 698328538 is 835823896.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (698328539) 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, 49143 + ... + 61738.

It is an arithmetic number, because the mean of its divisors is an integer number (67859784).

Almost surely, 2^698328538 is an apocalyptic number.

698328538 is a deficient number, since it is larger than the sum of its proper divisors (387428006).

698328538 is a wasteful number, since it uses less digits than its factorization.

698328538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110997.

The product of its digits is 2488320, while the sum is 52.

The square root of 698328538 is about 26425.9065691227. The cubic root of 698328538 is about 887.1967252605.

The spelling of 698328538 in words is "six hundred ninety-eight million, three hundred twenty-eight thousand, five hundred thirty-eight".