200930478 has 24 divisors (see below), whose sum is σ = 467471592. Its totient is φ = 57408624.

The previous prime is 200930449. The next prime is 200930479. The reversal of 200930478 is 874039002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200930479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 341425 + ... + 342012.

It is an arithmetic number, because the mean of its divisors is an integer number (19477983).

Almost surely, 2^200930478 is an apocalyptic number.

200930478 is an abundant number, since it is smaller than the sum of its proper divisors (266541114).

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

200930478 is a wasteful number, since it uses less digits than its factorization.

200930478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683456 (or 683449 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 200930478 is about 14174.9948148139. The cubic root of 200930478 is about 585.7090562237.

The spelling of 200930478 in words is "two hundred million, nine hundred thirty thousand, four hundred seventy-eight".