1161698 has 12 divisors (see below), whose sum is σ = 1840230. Its totient is φ = 549936.

The previous prime is 1161691. The next prime is 1161703. The reversal of 1161698 is 8961611.

It can be written as a sum of positive squares in only one way, i.e., 667489 + 494209 = 817^2 + 703^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1161691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83 + ... + 1526.

2^1161698 is an apocalyptic number.

1161698 is a deficient number, since it is larger than the sum of its proper divisors (678532).

1161698 is a wasteful number, since it uses less digits than its factorization.

1161698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649 (or 1630 counting only the distinct ones).

The product of its digits is 2592, while the sum is 32.

The square root of 1161698 is about 1077.8209498799. The cubic root of 1161698 is about 105.1230002264.

The spelling of 1161698 in words is "one million, one hundred sixty-one thousand, six hundred ninety-eight".