620354 has 16 divisors (see below), whose sum is σ = 1079808. Its totient is φ = 261792.

The previous prime is 620351. The next prime is 620359. The reversal of 620354 is 453026.

620354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a nialpdrome in base 16.

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 620354.

It is not an unprimeable number, because it can be changed into a prime (620351) 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, 719 + ... + 1325.

It is an arithmetic number, because the mean of its divisors is an integer number (67488).

2⁶²⁰³⁵⁴ is an apocalyptic number.

620354 is a deficient number, since it is larger than the sum of its proper divisors (459454).

620354 is a wasteful number, since it uses less digits than its factorization.

620354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 620354 is about 787.6255455481. The cubic root of 620354 is about 85.2864155877.

The spelling of 620354 in words is "six hundred twenty thousand, three hundred fifty-four".