624349 has 8 divisors (see below), whose sum is σ = 686880. Its totient is φ = 562800.

The previous prime is 624347. The next prime is 624391. The reversal of 624349 is 943426.

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 624349 - 2¹ = 624347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (624347) 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, 2187 + ... + 2455.

It is an arithmetic number, because the mean of its divisors is an integer number (85860).

2⁶²⁴³⁴⁹ is an apocalyptic number.

It is an amenable number.

624349 is a deficient number, since it is larger than the sum of its proper divisors (62531).

624349 is a wasteful number, since it uses less digits than its factorization.

624349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491.

The product of its digits is 5184, while the sum is 28.

The square root of 624349 is about 790.1575792208. The cubic root of 624349 is about 85.4691018387.

The spelling of 624349 in words is "six hundred twenty-four thousand, three hundred forty-nine".