694653216 has 48 divisors (see below), whose sum is σ = 1830261888. Its totient is φ = 230688000.

The previous prime is 694653173. The next prime is 694653217. The reversal of 694653216 is 612356496.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (694653217) 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, 12666 + ... + 39366.

It is an arithmetic number, because the mean of its divisors is an integer number (38130456).

Almost surely, 2^694653216 is an apocalyptic number.

It is an amenable number.

694653216 is an abundant number, since it is smaller than the sum of its proper divisors (1135608672).

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

694653216 is a wasteful number, since it uses less digits than its factorization.

694653216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26985 (or 26977 counting only the distinct ones).

The product of its digits is 233280, while the sum is 42.

The square root of 694653216 is about 26356.2746988265. The cubic root of 694653216 is about 885.6375399139.

The spelling of 694653216 in words is "six hundred ninety-four million, six hundred fifty-three thousand, two hundred sixteen".