850494039 has 8 divisors (see below), whose sum is σ = 1134360192. Its totient is φ = 566811960.

The previous prime is 850493971. The next prime is 850494053. The reversal of 850494039 is 930494058.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 850494039 - 2⁷ = 850493911 is a prime.

It is a super-2 number, since 2×850494039² = 1446680220749067042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850494079) 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, 34849 + ... + 53994.

It is an arithmetic number, because the mean of its divisors is an integer number (141795024).

Almost surely, 2^850494039 is an apocalyptic number.

850494039 is a deficient number, since it is larger than the sum of its proper divisors (283866153).

850494039 is a wasteful number, since it uses less digits than its factorization.

850494039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92037.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 850494039 is about 29163.2309424042. The cubic root of 850494039 is about 947.4517261324.

The spelling of 850494039 in words is "eight hundred fifty million, four hundred ninety-four thousand, thirty-nine".