698331942 has 96 divisors (see below), whose sum is σ = 1956374784. Its totient is φ = 181375200.

The previous prime is 698331941. The next prime is 698331971. The reversal of 698331942 is 249133896.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698331941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28092 + ... + 46752.

It is an arithmetic number, because the mean of its divisors is an integer number (20378904).

Almost surely, 2^698331942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698331942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (978187392).

698331942 is an abundant number, since it is smaller than the sum of its proper divisors (1258042842).

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

698331942 is a wasteful number, since it uses less digits than its factorization.

698331942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18696 (or 18684 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 698331942 is about 26425.9709755384. The cubic root of 698331942 is about 887.1981668039.

The spelling of 698331942 in words is "six hundred ninety-eight million, three hundred thirty-one thousand, nine hundred forty-two".