827491194 has 64 divisors (see below), whose sum is σ = 1924300800. Its totient is φ = 263084976.

The previous prime is 827491163. The next prime is 827491213. The reversal of 827491194 is 491194728.

It is a happy number.

It is a super-2 number, since 2×827491194² = 1369483352295091272, which contains 22 as substring.

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, 574327 + ... + 575765.

It is an arithmetic number, because the mean of its divisors is an integer number (30067200).

Almost surely, 2^827491194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 827491194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (962150400).

827491194 is an abundant number, since it is smaller than the sum of its proper divisors (1096809606).

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

827491194 is a wasteful number, since it uses less digits than its factorization.

827491194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936 (or 1930 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 827491194 is about 28766.1466658293. The cubic root of 827491194 is about 938.8318044342.

The spelling of 827491194 in words is "eight hundred twenty-seven million, four hundred ninety-one thousand, one hundred ninety-four".