620483969 has 32 divisors (see below), whose sum is σ = 811825920. Its totient is φ = 461334528.

The previous prime is 620483951. The next prime is 620483993. The reversal of 620483969 is 969384026.

It is a cyclic number.

It is not a de Polignac number, because 620483969 - 2⁸ = 620483713 is a prime.

It is a super-2 number, since 2×620483969² = 770000711571985922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (620483909) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79949 + ... + 87365.

It is an arithmetic number, because the mean of its divisors is an integer number (25369560).

Almost surely, 2^620483969 is an apocalyptic number.

It is an amenable number.

620483969 is a deficient number, since it is larger than the sum of its proper divisors (191341951).

620483969 is a wasteful number, since it uses less digits than its factorization.

620483969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7497.

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 620483969 is about 24909.5156315814. The cubic root of 620483969 is about 852.9237122812.

The spelling of 620483969 in words is "six hundred twenty million, four hundred eighty-three thousand, nine hundred sixty-nine".