698226438 has 32 divisors (see below), whose sum is σ = 1718712576. Its totient is φ = 184147488.

The previous prime is 698226437. The next prime is 698226457. The reversal of 698226438 is 834622896.

It is a super-3 number, since 3×698226438³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698226437) 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, 638856 + ... + 639947.

It is an arithmetic number, because the mean of its divisors is an integer number (53709768).

Almost surely, 2^698226438 is an apocalyptic number.

698226438 is an abundant number, since it is smaller than the sum of its proper divisors (1020486138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

698226438 is a wasteful number, since it uses less digits than its factorization.

698226438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278828.

The product of its digits is 995328, while the sum is 48.

The square root of 698226438 is about 26423.9746820950. The cubic root of 698226438 is about 887.1534852497.

The spelling of 698226438 in words is "six hundred ninety-eight million, two hundred twenty-six thousand, four hundred thirty-eight".