4280431 has 8 divisors (see below), whose sum is σ = 4446144. Its totient is φ = 4117920.

The previous prime is 4280417. The next prime is 4280459. The reversal of 4280431 is 1340824.

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 4280431 - 2⁵ = 4280399 is a prime.

It is a super-2 number, since 2×4280431² = 36644179091522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4280131) 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, 2121 + ... + 3613.

It is an arithmetic number, because the mean of its divisors is an integer number (555768).

Almost surely, 2^4280431 is an apocalyptic number.

4280431 is the 1309-th centered pentagonal number.

4280431 is a deficient number, since it is larger than the sum of its proper divisors (165713).

4280431 is a wasteful number, since it uses less digits than its factorization.

4280431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 4280431 is about 2068.9202497921. The cubic root of 4280431 is about 162.3662773654.

The spelling of 4280431 in words is "four million, two hundred eighty thousand, four hundred thirty-one".