6436461 has 4 divisors (see below), whose sum is σ = 8581952. Its totient is φ = 4290972.

The previous prime is 6436457. The next prime is 6436501. The reversal of 6436461 is 1646346.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6436461 - 2² = 6436457 is a prime.

It is a D-number.

It is a Duffinian number.

6436461 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6436061) 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, 1072741 + ... + 1072746.

It is an arithmetic number, because the mean of its divisors is an integer number (2145488).

Almost surely, 2^6436461 is an apocalyptic number.

It is an amenable number.

6436461 is a deficient number, since it is larger than the sum of its proper divisors (2145491).

6436461 is a wasteful number, since it uses less digits than its factorization.

6436461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145490.

The product of its digits is 10368, while the sum is 30.

The square root of 6436461 is about 2537.0181315868. The cubic root of 6436461 is about 186.0154629300.

The spelling of 6436461 in words is "six million, four hundred thirty-six thousand, four hundred sixty-one".