698242194 has 40 divisors (see below), whose sum is σ = 1684937100. Its totient is φ = 214843104.

The previous prime is 698242169. The next prime is 698242201. The reversal of 698242194 is 491242896.

698242194 is a `hidden beast` number, since 69 + 82 + 421 + 94 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 601475625 + 96766569 = 24525^2 + 9837^2 .

It is a super-2 number, since 2×698242194² = 975084322963867272, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 163669 + ... + 167880.

Almost surely, 2^698242194 is an apocalyptic number.

698242194 is an abundant number, since it is smaller than the sum of its proper divisors (986694906).

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

698242194 is a wasteful number, since it uses less digits than its factorization.

698242194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331576 (or 331567 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 698242194 is about 26424.2728187551. The cubic root of 698242194 is about 887.1601582927.

The spelling of 698242194 in words is "six hundred ninety-eight million, two hundred forty-two thousand, one hundred ninety-four".