620936 has 8 divisors (see below), whose sum is σ = 1164270. Its totient is φ = 310464.

The previous prime is 620933. The next prime is 620947. The reversal of 620936 is 639026.

It can be written as a sum of positive squares in only one way, i.e., 498436 + 122500 = 706^2 + 350^2 .

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

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (620933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38801 + ... + 38816.

2⁶²⁰⁹³⁶ is an apocalyptic number.

It is an amenable number.

620936 is a deficient number, since it is larger than the sum of its proper divisors (543334).

620936 is a wasteful number, since it uses less digits than its factorization.

620936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77623 (or 77619 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 620936 is about 787.9949238415. The cubic root of 620936 is about 85.3130784175.

The spelling of 620936 in words is "six hundred twenty thousand, nine hundred thirty-six".