620946005 has 8 divisors (see below), whose sum is σ = 745805472. Its totient is φ = 496309968.

The previous prime is 620945993. The next prime is 620946013. The reversal of 620946005 is 500649026.

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 620946005 - 2¹⁰ = 620944981 is a prime.

It is a super-2 number, since 2×620946005² = 771147882250920050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49679 + ... + 60908.

It is an arithmetic number, because the mean of its divisors is an integer number (93225684).

Almost surely, 2^620946005 is an apocalyptic number.

It is an amenable number.

620946005 is a deficient number, since it is larger than the sum of its proper divisors (124859467).

620946005 is a wasteful number, since it uses less digits than its factorization.

620946005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111715.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 620946005 is about 24918.7881928476. The cubic root of 620946005 is about 853.1353662504.

The spelling of 620946005 in words is "six hundred twenty million, nine hundred forty-six thousand, five".