431093 has 4 divisors (see below), whose sum is σ = 464268. Its totient is φ = 397920.

The previous prime is 431083. The next prime is 431099. The reversal of 431093 is 390134.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 253009 + 178084 = 503^2 + 422^2 .

It is a cyclic number.

It is not a de Polignac number, because 431093 - 2⁴ = 431077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16568 + ... + 16593.

It is an arithmetic number, because the mean of its divisors is an integer number (116067).

2⁴³¹⁰⁹³ is an apocalyptic number.

It is an amenable number.

431093 is a deficient number, since it is larger than the sum of its proper divisors (33175).

431093 is a wasteful number, since it uses less digits than its factorization.

431093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33174.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 431093 is about 656.5767281895. The cubic root of 431093 is about 75.5423209069.

The spelling of 431093 in words is "four hundred thirty-one thousand, ninety-three".