624140493 has 8 divisors (see below), whose sum is σ = 832524000. Its totient is φ = 415925328.

The previous prime is 624140483. The next prime is 624140501. The reversal of 624140493 is 394041426.

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

It is not a de Polignac number, because 624140493 - 2²¹ = 622043341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (624140483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33163 + ... + 48456.

It is an arithmetic number, because the mean of its divisors is an integer number (104065500).

Almost surely, 2^624140493 is an apocalyptic number.

It is an amenable number.

624140493 is a deficient number, since it is larger than the sum of its proper divisors (208383507).

624140493 is a wasteful number, since it uses less digits than its factorization.

624140493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84171.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 624140493 is about 24982.8039459145. The cubic root of 624140493 is about 854.5958638600.

The spelling of 624140493 in words is "six hundred twenty-four million, one hundred forty thousand, four hundred ninety-three".