6462421 has 4 divisors (see below), whose sum is σ = 7385632. Its totient is φ = 5539212.

The previous prime is 6462419. The next prime is 6462439. The reversal of 6462421 is 1242646.

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 6462421 - 2¹ = 6462419 is a prime.

It is a super-3 number, since 3×6462421³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

6462421 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6462221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461595 + ... + 461608.

It is an arithmetic number, because the mean of its divisors is an integer number (1846408).

Almost surely, 2^6462421 is an apocalyptic number.

It is an amenable number.

6462421 is a deficient number, since it is larger than the sum of its proper divisors (923211).

6462421 is an equidigital number, since it uses as much as digits as its factorization.

6462421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923210.

The product of its digits is 2304, while the sum is 25.

The square root of 6462421 is about 2542.1292256689. The cubic root of 6462421 is about 186.2652111355.

The spelling of 6462421 in words is "six million, four hundred sixty-two thousand, four hundred twenty-one".