698912042 has 8 divisors (see below), whose sum is σ = 1054428516. Its totient is φ = 347435872.

The previous prime is 698912023. The next prime is 698912047. The reversal of 698912042 is 240219896.

It can be written as a sum of positive squares in 2 ways, for example, as 598731961 + 100180081 = 24469^2 + 10009^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (698912047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009643 + ... + 1010334.

Almost surely, 2^698912042 is an apocalyptic number.

698912042 is a deficient number, since it is larger than the sum of its proper divisors (355516474).

698912042 is a wasteful number, since it uses less digits than its factorization.

698912042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020152.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 698912042 is about 26436.9446419211. The cubic root of 698912042 is about 887.4437621443.

The spelling of 698912042 in words is "six hundred ninety-eight million, nine hundred twelve thousand, forty-two".