850691396 has 6 divisors (see below), whose sum is σ = 1488709950. Its totient is φ = 425345696.

The previous prime is 850691377. The next prime is 850691417. The reversal of 850691396 is 693196058.

It can be written as a sum of positive squares in only one way, i.e., 781202500 + 69488896 = 27950^2 + 8336^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 850691396.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106336421 + ... + 106336428.

It is an arithmetic number, because the mean of its divisors is an integer number (248118325).

Almost surely, 2^850691396 is an apocalyptic number.

It is an amenable number.

850691396 is a deficient number, since it is larger than the sum of its proper divisors (638018554).

850691396 is a wasteful number, since it uses less digits than its factorization.

850691396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212672853 (or 212672851 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 850691396 is about 29166.6144075722. The cubic root of 850691396 is about 947.5250058029.

The spelling of 850691396 in words is "eight hundred fifty million, six hundred ninety-one thousand, three hundred ninety-six".