850392738 has 96 divisors (see below), whose sum is σ = 2037934080. Its totient is φ = 254666880.

The previous prime is 850392737. The next prime is 850392749. The reversal of 850392738 is 837293058.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 850392693 and 850392702.

It is not an unprimeable number, because it can be changed into a prime (850392733) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2368603 + ... + 2368961.

It is an arithmetic number, because the mean of its divisors is an integer number (21228480).

Almost surely, 2^850392738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 850392738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1018967040).

850392738 is an abundant number, since it is smaller than the sum of its proper divisors (1187541342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

850392738 is a wasteful number, since it uses less digits than its factorization.

850392738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 850392738 is about 29161.4940975253. The cubic root of 850392738 is about 947.4141081466.

The spelling of 850392738 in words is "eight hundred fifty million, three hundred ninety-two thousand, seven hundred thirty-eight".