840731414 has 4 divisors (see below), whose sum is σ = 1261097124. Its totient is φ = 420365706.

The previous prime is 840731383. The next prime is 840731449. The reversal of 840731414 is 414137048.

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 (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210182852 + ... + 210182855.

It is an arithmetic number, because the mean of its divisors is an integer number (315274281).

Almost surely, 2^840731414 is an apocalyptic number.

840731414 is a deficient number, since it is larger than the sum of its proper divisors (420365710).

840731414 is a wasteful number, since it uses less digits than its factorization.

840731414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420365709.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 840731414 is about 28995.3688371091. The cubic root of 840731414 is about 943.8125727616.

The spelling of 840731414 in words is "eight hundred forty million, seven hundred thirty-one thousand, four hundred fourteen".