694944 has 72 divisors (see below), whose sum is σ = 2096640. Its totient is φ = 217728.

The previous prime is 694919. The next prime is 694951. The reversal of 694944 is 449496.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Smith number, since the sum of its digits (36) 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 (36).

It is a nude number because it is divisible by every one of its digits.

Its product of digits (31104) is a multiple of the sum of its prime factors (162).

It is a junction number, because it is equal to n+sod(n) for n = 694899 and 694908.

It is an unprimeable number.

694944 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5409 + ... + 5535.

It is an arithmetic number, because the mean of its divisors is an integer number (29120).

2⁶⁹⁴⁹⁴⁴ 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 694944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1048320).

694944 is an abundant number, since it is smaller than the sum of its proper divisors (1401696).

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

694944 is a wasteful number, since it uses less digits than its factorization.

694944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 151 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 694944 is about 833.6330127820. The cubic root of 694944 is about 88.5761099552.

The spelling of 694944 in words is "six hundred ninety-four thousand, nine hundred forty-four".