699944 has 32 divisors (see below), whose sum is σ = 1555200. Its totient is φ = 288960.

The previous prime is 699943. The next prime is 699947. The reversal of 699944 is 449996.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699943) 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, 1409 + ... + 1839.

It is an arithmetic number, because the mean of its divisors is an integer number (48600).

2⁶⁹⁹⁹⁴⁴ 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 699944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (777600).

699944 is an abundant number, since it is smaller than the sum of its proper divisors (855256).

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

699944 is a wasteful number, since it uses less digits than its factorization.

699944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473 (or 469 counting only the distinct ones).

The product of its digits is 69984, while the sum is 41.

The square root of 699944 is about 836.6265594637. The cubic root of 699944 is about 88.7880323671.

The spelling of 699944 in words is "six hundred ninety-nine thousand, nine hundred forty-four".