620950971 has 8 divisors (see below), whose sum is σ = 837910080. Its totient is φ = 408979592.

The previous prime is 620950961. The next prime is 620950973. The reversal of 620950971 is 179059026.

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 620950971 - 2⁶ = 620950907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (620950973) 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, 1246641 + ... + 1247138.

It is an arithmetic number, because the mean of its divisors is an integer number (104738760).

Almost surely, 2^620950971 is an apocalyptic number.

620950971 is a deficient number, since it is larger than the sum of its proper divisors (216959109).

620950971 is a wasteful number, since it uses less digits than its factorization.

620950971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493865.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 620950971 is about 24918.8878363381. The cubic root of 620950971 is about 853.1376405539.

The spelling of 620950971 in words is "six hundred twenty million, nine hundred fifty thousand, nine hundred seventy-one".