698386542 has 32 divisors (see below), whose sum is σ = 1607040000. Its totient is φ = 198198048.

The previous prime is 698386541. The next prime is 698386543. The reversal of 698386542 is 245683896.

It is an interprime number because it is at equal distance from previous prime (698386541) and next prime (698386543).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698386541) 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, 49542 + ... + 62057.

It is an arithmetic number, because the mean of its divisors is an integer number (50220000).

Almost surely, 2^698386542 is an apocalyptic number.

698386542 is an abundant number, since it is smaller than the sum of its proper divisors (908653458).

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

698386542 is a wasteful number, since it uses less digits than its factorization.

698386542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111760.

The product of its digits is 2488320, while the sum is 51.

The square root of 698386542 is about 26427.0040299690. The cubic root of 698386542 is about 887.2212884526.

The spelling of 698386542 in words is "six hundred ninety-eight million, three hundred eighty-six thousand, five hundred forty-two".