620401336 has 8 divisors (see below), whose sum is σ = 1163252520. Its totient is φ = 310200664.

The previous prime is 620401303. The next prime is 620401361. The reversal of 620401336 is 633104026.

620401336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 620401336.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38775076 + ... + 38775091.

It is an arithmetic number, because the mean of its divisors is an integer number (145406565).

Almost surely, 2^620401336 is an apocalyptic number.

It is an amenable number.

620401336 is a deficient number, since it is larger than the sum of its proper divisors (542851184).

620401336 is a wasteful number, since it uses less digits than its factorization.

620401336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77550173 (or 77550169 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 620401336 is about 24907.8569130305. The cubic root of 620401336 is about 852.8858478734.

It can be divided in two parts, 620 and 401336, that added together give a square (401956 = 634²).

The spelling of 620401336 in words is "six hundred twenty million, four hundred one thousand, three hundred thirty-six".