6467431 has 4 divisors (see below), whose sum is σ = 6589512. Its totient is φ = 6345352.

The previous prime is 6467423. The next prime is 6467441. The reversal of 6467431 is 1347646.

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

It is a cyclic number.

It is not a de Polignac number, because 6467431 - 2³ = 6467423 is a prime.

It is a super-2 number, since 2×6467431² = 83655327479522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6467393 and 6467402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6467441) 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, 60961 + ... + 61066.

It is an arithmetic number, because the mean of its divisors is an integer number (1647378).

Almost surely, 2^6467431 is an apocalyptic number.

6467431 is a deficient number, since it is larger than the sum of its proper divisors (122081).

6467431 is a wasteful number, since it uses less digits than its factorization.

6467431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122080.

The product of its digits is 12096, while the sum is 31.

The square root of 6467431 is about 2543.1144291990. The cubic root of 6467431 is about 186.3133328152.

The spelling of 6467431 in words is "six million, four hundred sixty-seven thousand, four hundred thirty-one".