699435828 has 288 divisors, whose sum is σ = 2428957440. Its totient is φ = 164229120.

The previous prime is 699435823. The next prime is 699435871. The reversal of 699435828 is 828534996.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699435823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1057818 + ... + 1058478.

It is an arithmetic number, because the mean of its divisors is an integer number (8433880).

Almost surely, 2^699435828 is an apocalyptic number.

699435828 is a gapful number since it is divisible by the number (68) 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 699435828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1214478720).

699435828 is an abundant number, since it is smaller than the sum of its proper divisors (1729521612).

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

699435828 is a wasteful number, since it uses less digits than its factorization.

699435828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727 (or 722 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 699435828 is about 26446.8491128906. The cubic root of 699435828 is about 887.6653992600.

The spelling of 699435828 in words is "six hundred ninety-nine million, four hundred thirty-five thousand, eight hundred twenty-eight".