828459740 has 12 divisors (see below), whose sum is σ = 1739765496. Its totient is φ = 331383888.

The previous prime is 828459713. The next prime is 828459743. The reversal of 828459740 is 47954828.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828459743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20711474 + ... + 20711513.

It is an arithmetic number, because the mean of its divisors is an integer number (144980458).

Almost surely, 2^828459740 is an apocalyptic number.

It is an amenable number.

828459740 is an abundant number, since it is smaller than the sum of its proper divisors (911305756).

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

828459740 is a wasteful number, since it uses less digits than its factorization.

828459740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41422996 (or 41422994 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 828459740 is about 28782.9765660190. The cubic root of 828459740 is about 939.1979502247.

The spelling of 828459740 in words is "eight hundred twenty-eight million, four hundred fifty-nine thousand, seven hundred forty".