694828240 has 40 divisors (see below), whose sum is σ = 1621958688. Its totient is φ = 276816000.

The previous prime is 694828193. The next prime is 694828241. The reversal of 694828240 is 42828496.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694828241) 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, 2779 + ... + 37381.

Almost surely, 2^694828240 is an apocalyptic number.

It is an amenable number.

694828240 is an abundant number, since it is smaller than the sum of its proper divisors (927130448).

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

694828240 is a wasteful number, since it uses less digits than its factorization.

694828240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34867 (or 34861 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 694828240 is about 26359.5948375539. The cubic root of 694828240 is about 885.7119150623.

The spelling of 694828240 in words is "six hundred ninety-four million, eight hundred twenty-eight thousand, two hundred forty".