620966229 has 8 divisors (see below), whose sum is σ = 891643872. Its totient is φ = 382133040.

The previous prime is 620966221. The next prime is 620966233. The reversal of 620966229 is 922669026.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 620966229 - 2³ = 620966221 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620966221) 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, 7961067 + ... + 7961144.

It is an arithmetic number, because the mean of its divisors is an integer number (111455484).

Almost surely, 2^620966229 is an apocalyptic number.

It is an amenable number.

620966229 is a deficient number, since it is larger than the sum of its proper divisors (270677643).

620966229 is a wasteful number, since it uses less digits than its factorization.

620966229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15922227.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 620966229 is about 24919.1939877677. The cubic root of 620966229 is about 853.1446282594.

The spelling of 620966229 in words is "six hundred twenty million, nine hundred sixty-six thousand, two hundred twenty-nine".