203085493 has 8 divisors (see below), whose sum is σ = 222415200. Its totient is φ = 184285488.

The previous prime is 203085481. The next prime is 203085499. The reversal of 203085493 is 394580302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203085493 - 2¹⁷ = 202954421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203085499) 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, 131623 + ... + 133156.

It is an arithmetic number, because the mean of its divisors is an integer number (27801900).

Almost surely, 2^203085493 is an apocalyptic number.

It is an amenable number.

203085493 is a deficient number, since it is larger than the sum of its proper divisors (19329707).

203085493 is a wasteful number, since it uses less digits than its factorization.

203085493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264851.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 203085493 is about 14250.8067490932. The cubic root of 203085493 is about 587.7955590265.

The spelling of 203085493 in words is "two hundred three million, eighty-five thousand, four hundred ninety-three".