630700398 has 16 divisors (see below), whose sum is σ = 1401556560. Its totient is φ = 210233448.

The previous prime is 630700397. The next prime is 630700423. The reversal of 630700398 is 893007036.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630700397) 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, 5839765 + ... + 5839872.

It is an arithmetic number, because the mean of its divisors is an integer number (87597285).

Almost surely, 2^630700398 is an apocalyptic number.

630700398 is an abundant number, since it is smaller than the sum of its proper divisors (770856162).

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

630700398 is a wasteful number, since it uses less digits than its factorization.

630700398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11679648 (or 11679642 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 630700398 is about 25113.7491824697. The cubic root of 630700398 is about 857.5794555030.

The spelling of 630700398 in words is "six hundred thirty million, seven hundred thousand, three hundred ninety-eight".