620234999 has 8 divisors (see below), whose sum is σ = 626572800. Its totient is φ = 613926496.

The previous prime is 620234981. The next prime is 620235001. The reversal of 620234999 is 999432026.

620234999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 620234999 - 2¹⁶ = 620169463 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 (620234939) 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, 36554 + ... + 50760.

It is an arithmetic number, because the mean of its divisors is an integer number (78321600).

Almost surely, 2^620234999 is an apocalyptic number.

620234999 is a deficient number, since it is larger than the sum of its proper divisors (6337801).

620234999 is a wasteful number, since it uses less digits than its factorization.

620234999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14649.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 620234999 is about 24904.5176423877. The cubic root of 620234999 is about 852.8096181032.

The spelling of 620234999 in words is "six hundred twenty million, two hundred thirty-four thousand, nine hundred ninety-nine".