620590289 has 8 divisors (see below), whose sum is σ = 678520800. Its totient is φ = 562912000.

The previous prime is 620590279. The next prime is 620590337. The reversal of 620590289 is 982095026.

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 620590289 - 2²⁴ = 603813073 is a prime.

It is a super-2 number, since 2×620590289² = 770264613602207042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620590259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57887 + ... + 67764.

It is an arithmetic number, because the mean of its divisors is an integer number (84815100).

Almost surely, 2^620590289 is an apocalyptic number.

It is an amenable number.

620590289 is a deficient number, since it is larger than the sum of its proper divisors (57930511).

620590289 is a wasteful number, since it uses less digits than its factorization.

620590289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126111.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 620590289 is about 24911.6496643639. The cubic root of 620590289 is about 852.9724256912.

The spelling of 620590289 in words is "six hundred twenty million, five hundred ninety thousand, two hundred eighty-nine".