694462240 has 96 divisors (see below), whose sum is σ = 1747267200. Its totient is φ = 259928064.

The previous prime is 694462231. The next prime is 694462243. The reversal of 694462240 is 42264496.

It is a self number, because there is not a number n which added to its sum of digits gives 694462240.

It is not an unprimeable number, because it can be changed into a prime (694462243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 540639 + ... + 541921.

It is an arithmetic number, because the mean of its divisors is an integer number (18200700).

Almost surely, 2^694462240 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 694462240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (873633600).

694462240 is an abundant number, since it is smaller than the sum of its proper divisors (1052804960).

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

694462240 is a wasteful number, since it uses less digits than its factorization.

694462240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514 (or 1506 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 694462240 is about 26352.6514795001. The cubic root of 694462240 is about 885.5563718274.

The spelling of 694462240 in words is "six hundred ninety-four million, four hundred sixty-two thousand, two hundred forty".