694446240 has 96 divisors (see below), whose sum is σ = 2196222336. Its totient is φ = 184448000.

The previous prime is 694446217. The next prime is 694446253. The reversal of 694446240 is 42644496.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123490 + ... + 128990.

It is an arithmetic number, because the mean of its divisors is an integer number (22877316).

Almost surely, 2^694446240 is an apocalyptic number.

694446240 is a gapful number since it is divisible by the number (60) 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 694446240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1098111168).

694446240 is an abundant number, since it is smaller than the sum of its proper divisors (1501776096).

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

694446240 is a wasteful number, since it uses less digits than its factorization.

694446240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5782 (or 5774 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

The square root of 694446240 is about 26352.3479029858. The cubic root of 694446240 is about 885.5495708765.

The spelling of 694446240 in words is "six hundred ninety-four million, four hundred forty-six thousand, two hundred forty".