850033990 has 16 divisors (see below), whose sum is σ = 1647758448. Its totient is φ = 313858656.

The previous prime is 850033969. The next prime is 850033997. The reversal of 850033990 is 99330058.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850033997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3269232 + ... + 3269491.

It is an arithmetic number, because the mean of its divisors is an integer number (102984903).

Almost surely, 2^850033990 is an apocalyptic number.

850033990 is a deficient number, since it is larger than the sum of its proper divisors (797724458).

850033990 is a wasteful number, since it uses less digits than its factorization.

850033990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6538743.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 850033990 is about 29155.3423920900. The cubic root of 850033990 is about 947.2808635460.

The spelling of 850033990 in words is "eight hundred fifty million, thirty-three thousand, nine hundred ninety".