844691016 has 32 divisors (see below), whose sum is σ = 2274168960. Its totient is φ = 259904832.

The previous prime is 844691009. The next prime is 844691021. The reversal of 844691016 is 610196448.

It is a super-2 number, since 2×844691016² = 1427005825022224512, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1353360 + ... + 1353983.

It is an arithmetic number, because the mean of its divisors is an integer number (71067780).

Almost surely, 2^844691016 is an apocalyptic number.

It is an amenable number.

844691016 is an abundant number, since it is smaller than the sum of its proper divisors (1429477944).

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

844691016 is a wasteful number, since it uses less digits than its factorization.

844691016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2707365 (or 2707361 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 844691016 is about 29063.5685351954. The cubic root of 844691016 is about 945.2919475336.

The spelling of 844691016 in words is "eight hundred forty-four million, six hundred ninety-one thousand, sixteen".