205898402 has 16 divisors (see below), whose sum is σ = 325404000. Its totient is φ = 97440480.

The previous prime is 205898401. The next prime is 205898417. The reversal of 205898402 is 204898502.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (205898401) 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 7 ways as a sum of consecutive naturals, for example, 57974 + ... + 61422.

It is an arithmetic number, because the mean of its divisors is an integer number (20337750).

Almost surely, 2^205898402 is an apocalyptic number.

205898402 is a deficient number, since it is larger than the sum of its proper divisors (119505598).

205898402 is a wasteful number, since it uses less digits than its factorization.

205898402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5041.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 205898402 is about 14349.1603238656. The cubic root of 205898402 is about 590.4969498798.

The spelling of 205898402 in words is "two hundred five million, eight hundred ninety-eight thousand, four hundred two".