623950441 has 3 divisors (see below), whose sum is σ = 623975421. Its totient is φ = 623925462.

The previous prime is 623950433. The next prime is 623950469. The reversal of 623950441 is 144059326.

It is a happy number.

The square root of 623950441 is 24979.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 623950441 - 2³ = 623950433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 623950397 and 623950406.

It is not an unprimeable number, because it can be changed into a prime (623950241) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 12490 + ... + 37468.

It is an arithmetic number, because the mean of its divisors is an integer number (207991807).

Almost surely, 2^623950441 is an apocalyptic number.

623950441 is the 24979-th square number.

623950441 is the 12490-th centered octagonal number.

It is an amenable number.

623950441 is a deficient number, since it is larger than the sum of its proper divisors (24980).

623950441 is an frugal number, since it uses more digits than its factorization.

623950441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49958 (or 24979 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The cubic root of 623950441 is about 854.5091130172.

The spelling of 623950441 in words is "six hundred twenty-three million, nine hundred fifty thousand, four hundred forty-one".