620477 has 8 divisors (see below), whose sum is σ = 729120. Its totient is φ = 520560.

The previous prime is 620467. The next prime is 620491. The reversal of 620477 is 774026.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 620477 - 2⁴ = 620461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 620477.

It is not an unprimeable number, because it can be changed into a prime (620437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2027 + ... + 2312.

It is an arithmetic number, because the mean of its divisors is an integer number (91140).

2⁶²⁰⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

620477 is a deficient number, since it is larger than the sum of its proper divisors (108643).

620477 is a wasteful number, since it uses less digits than its factorization.

620477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4363.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 620477 is about 787.7036244680. The cubic root of 620477 is about 85.2920519049.

The spelling of 620477 in words is "six hundred twenty thousand, four hundred seventy-seven".