620862445 has 16 divisors (see below), whose sum is σ = 863136000. Its totient is φ = 419900544.

The previous prime is 620862439. The next prime is 620862461. The reversal of 620862445 is 544268026.

620862445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 620862445 - 2⁹ = 620861933 is a prime.

It is a super-2 number, since 2×620862445² = 770940351222756050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118945 + ... + 124054.

It is an arithmetic number, because the mean of its divisors is an integer number (53946000).

Almost surely, 2^620862445 is an apocalyptic number.

It is an amenable number.

620862445 is a deficient number, since it is larger than the sum of its proper divisors (242273555).

620862445 is a wasteful number, since it uses less digits than its factorization.

620862445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243084.

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 620862445 is about 24917.1114898979. Note that the first 3 decimals coincide. The cubic root of 620862445 is about 853.0970960473.

The spelling of 620862445 in words is "six hundred twenty million, eight hundred sixty-two thousand, four hundred forty-five".