849690694 has 4 divisors (see below), whose sum is σ = 1274536044. Its totient is φ = 424845346.

The previous prime is 849690637. The next prime is 849690703. The reversal of 849690694 is 496096948.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 212422672 + ... + 212422675.

It is an arithmetic number, because the mean of its divisors is an integer number (318634011).

Almost surely, 2^849690694 is an apocalyptic number.

849690694 is a deficient number, since it is larger than the sum of its proper divisors (424845350).

849690694 is a wasteful number, since it uses less digits than its factorization.

849690694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424845349.

The product of its (nonzero) digits is 3359232, while the sum is 55.

The square root of 849690694 is about 29149.4544374333. The cubic root of 849690694 is about 947.1533229522.

The spelling of 849690694 in words is "eight hundred forty-nine million, six hundred ninety thousand, six hundred ninety-four".