698738444 has 24 divisors (see below), whose sum is σ = 1242588480. Its totient is φ = 343726416.

The previous prime is 698738429. The next prime is 698738449. The reversal of 698738444 is 444837896.

698738444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×698738444² = 976470826247082272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (698738449) 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, 390119 + ... + 391905.

It is an arithmetic number, because the mean of its divisors is an integer number (51774520).

Almost surely, 2^698738444 is an apocalyptic number.

It is an amenable number.

698738444 is a deficient number, since it is larger than the sum of its proper divisors (543850036).

698738444 is a wasteful number, since it uses less digits than its factorization.

698738444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3317 (or 3315 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 53.

The square root of 698738444 is about 26433.6611917456. The cubic root of 698738444 is about 887.3702806904.

The spelling of 698738444 in words is "six hundred ninety-eight million, seven hundred thirty-eight thousand, four hundred forty-four".