850489616 has 20 divisors (see below), whose sum is σ = 1658887500. Its totient is φ = 422389632.

The previous prime is 850489603. The next prime is 850489657. The reversal of 850489616 is 616984058.

It can be written as a sum of positive squares in 2 ways, for example, as 440832016 + 409657600 = 20996^2 + 20240^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175991 + ... + 180758.

It is an arithmetic number, because the mean of its divisors is an integer number (82944375).

Almost surely, 2^850489616 is an apocalyptic number.

It is an amenable number.

850489616 is a deficient number, since it is larger than the sum of its proper divisors (808397884).

850489616 is a wasteful number, since it uses less digits than its factorization.

850489616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356906 (or 356900 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 850489616 is about 29163.1551105157. The cubic root of 850489616 is about 947.4500837199.

The spelling of 850489616 in words is "eight hundred fifty million, four hundred eighty-nine thousand, six hundred sixteen".