827491340 has 24 divisors (see below), whose sum is σ = 1871404080. Its totient is φ = 305535168.

The previous prime is 827491333. The next prime is 827491349. The reversal of 827491340 is 43194728.

It is a junction number, because it is equal to n+sod(n) for n = 827491294 and 827491303.

It is not an unprimeable number, because it can be changed into a prime (827491349) 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, 1591070 + ... + 1591589.

It is an arithmetic number, because the mean of its divisors is an integer number (77975170).

Almost surely, 2^827491340 is an apocalyptic number.

It is an amenable number.

827491340 is an abundant number, since it is smaller than the sum of its proper divisors (1043912740).

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

827491340 is a wasteful number, since it uses less digits than its factorization.

827491340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3182681 (or 3182679 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 827491340 is about 28766.1492035344. The cubic root of 827491340 is about 938.8318596490.

The spelling of 827491340 in words is "eight hundred twenty-seven million, four hundred ninety-one thousand, three hundred forty".