431416489 has 8 divisors (see below), whose sum is σ = 518997440. Its totient is φ = 350323056.

The previous prime is 431416481. The next prime is 431416493. The reversal of 431416489 is 984614134.

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 431416489 - 2³ = 431416481 is a prime.

It is a super-2 number, since 2×431416489² = 372240373962174242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431416481) 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, 1621734 + ... + 1621999.

It is an arithmetic number, because the mean of its divisors is an integer number (64874680).

Almost surely, 2^431416489 is an apocalyptic number.

It is an amenable number.

431416489 is a deficient number, since it is larger than the sum of its proper divisors (87580951).

431416489 is a wasteful number, since it uses less digits than its factorization.

431416489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3243759.

The product of its digits is 82944, while the sum is 40.

The square root of 431416489 is about 20770.5678545388. The cubic root of 431416489 is about 755.6121164893.

The spelling of 431416489 in words is "four hundred thirty-one million, four hundred sixteen thousand, four hundred eighty-nine".