203198054 has 16 divisors (see below), whose sum is σ = 319334400. Its totient is φ = 96789000.

The previous prime is 203198053. The next prime is 203198057. The reversal of 203198054 is 450891302.

It is a super-4 number, since 4×203198054⁴ (a number of 34 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 203198054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203198053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2747 + ... + 20345.

It is an arithmetic number, because the mean of its divisors is an integer number (19958400).

Almost surely, 2^203198054 is an apocalyptic number.

203198054 is a deficient number, since it is larger than the sum of its proper divisors (116136346).

203198054 is a wasteful number, since it uses less digits than its factorization.

203198054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17875.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 203198054 is about 14254.7554872050. The cubic root of 203198054 is about 587.9041350340.

The spelling of 203198054 in words is "two hundred three million, one hundred ninety-eight thousand, fifty-four".