620364244 has 12 divisors (see below), whose sum is σ = 1098717984. Its totient is φ = 306444824.

The previous prime is 620364223. The next prime is 620364253. The reversal of 620364244 is 442463026.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 933952 + ... + 934615.

It is an arithmetic number, because the mean of its divisors is an integer number (91559832).

Almost surely, 2^620364244 is an apocalyptic number.

It is an amenable number.

620364244 is a deficient number, since it is larger than the sum of its proper divisors (478353740).

620364244 is a wasteful number, since it uses less digits than its factorization.

620364244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868654 (or 1868652 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 620364244 is about 24907.1123175691. The cubic root of 620364244 is about 852.8688503426.

The spelling of 620364244 in words is "six hundred twenty million, three hundred sixty-four thousand, two hundred forty-four".