816693248 has 60 divisors (see below), whose sum is σ = 1866932592. Its totient is φ = 349962240.

The previous prime is 816693173. The next prime is 816693253. The reversal of 816693248 is 842396618.

It is a super-2 number, since 2×816693248² = 1333975722657579008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111128 + ... + 118248.

Almost surely, 2^816693248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 816693248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (933466296).

816693248 is an abundant number, since it is smaller than the sum of its proper divisors (1050239344).

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

816693248 is an frugal number, since it uses more digits than its factorization.

816693248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7156 (or 7130 counting only the distinct ones).

The product of its digits is 497664, while the sum is 47.

The square root of 816693248 is about 28577.8454051386. The cubic root of 816693248 is about 934.7303016927.

The spelling of 816693248 in words is "eight hundred sixteen million, six hundred ninety-three thousand, two hundred forty-eight".