624471 has 8 divisors (see below), whose sum is σ = 853104. Its totient is φ = 406080.

The previous prime is 624469. The next prime is 624479. The reversal of 624471 is 174426.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 624471 - 2¹ = 624469 is a prime.

It is a super-3 number, since 3×624471³ = 730563683036517333, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (624479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2416 + ... + 2661.

It is an arithmetic number, because the mean of its divisors is an integer number (106638).

2⁶²⁴⁴⁷¹ is an apocalyptic number.

624471 is a deficient number, since it is larger than the sum of its proper divisors (228633).

624471 is a wasteful number, since it uses less digits than its factorization.

624471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5121.

The product of its digits is 1344, while the sum is 24.

The square root of 624471 is about 790.2347752409. The cubic root of 624471 is about 85.4746684643.

Adding to 624471 its reverse (174426), we get a palindrome (798897).

The spelling of 624471 in words is "six hundred twenty-four thousand, four hundred seventy-one".