694730898 has 32 divisors (see below), whose sum is σ = 1563398400. Its totient is φ = 228644208.

The previous prime is 694730887. The next prime is 694730899. The reversal of 694730898 is 898037496.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (694730899) by changing a digit.

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, 77161 + ... + 85692.

It is an arithmetic number, because the mean of its divisors is an integer number (48856200).

Almost surely, 2^694730898 is an apocalyptic number.

694730898 is an abundant number, since it is smaller than the sum of its proper divisors (868667502).

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

694730898 is a wasteful number, since it uses less digits than its factorization.

694730898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162943 (or 162937 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 694730898 is about 26357.7483484459. The cubic root of 694730898 is about 885.6705518444.

The spelling of 694730898 in words is "six hundred ninety-four million, seven hundred thirty thousand, eight hundred ninety-eight".