200978403 has 12 divisors (see below), whose sum is σ = 284662680. Its totient is φ = 126103552.

The previous prime is 200978399. The next prime is 200978467. The reversal of 200978403 is 304879002.

It is not a de Polignac number, because 200978403 - 2² = 200978399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200978473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115038 + ... + 116771.

It is an arithmetic number, because the mean of its divisors is an integer number (23721890).

Almost surely, 2^200978403 is an apocalyptic number.

200978403 is a deficient number, since it is larger than the sum of its proper divisors (83684277).

200978403 is a wasteful number, since it uses less digits than its factorization.

200978403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231846 (or 231829 counting only the distinct ones).

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

The square root of 200978403 is about 14176.6851908336. The cubic root of 200978403 is about 585.7556193855.

The spelling of 200978403 in words is "two hundred million, nine hundred seventy-eight thousand, four hundred three".