850386264 has 128 divisors (see below), whose sum is σ = 2625799680. Its totient is φ = 223488000.

The previous prime is 850386259. The next prime is 850386353. The reversal of 850386264 is 462683058.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 875299 + ... + 876269.

It is an arithmetic number, because the mean of its divisors is an integer number (20514060).

Almost surely, 2^850386264 is an apocalyptic number.

850386264 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 850386264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1312899840).

850386264 is an abundant number, since it is smaller than the sum of its proper divisors (1775413416).

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

850386264 is a wasteful number, since it uses less digits than its factorization.

850386264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401 (or 1397 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 850386264 is about 29161.3830947711. The cubic root of 850386264 is about 947.4117039341.

The spelling of 850386264 in words is "eight hundred fifty million, three hundred eighty-six thousand, two hundred sixty-four".