623939741 has 8 divisors (see below), whose sum is σ = 626817600. Its totient is φ = 621069120.

The previous prime is 623939731. The next prime is 623939747. The reversal of 623939741 is 147939326.

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 623939741 - 2⁶ = 623939677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 623939692 and 623939701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623939747) 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, 237845 + ... + 240453.

It is an arithmetic number, because the mean of its divisors is an integer number (78352200).

Almost surely, 2^623939741 is an apocalyptic number.

It is an amenable number.

623939741 is a deficient number, since it is larger than the sum of its proper divisors (2877859).

623939741 is a wasteful number, since it uses less digits than its factorization.

623939741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3619.

The product of its digits is 244944, while the sum is 44.

The square root of 623939741 is about 24978.7858191706. The cubic root of 623939741 is about 854.5042283879.

The spelling of 623939741 in words is "six hundred twenty-three million, nine hundred thirty-nine thousand, seven hundred forty-one".