620378 has 16 divisors (see below), whose sum is σ = 1027296. Its totient is φ = 278640.

The previous prime is 620377. The next prime is 620383. The reversal of 620378 is 873026.

It is a plaindrome in base 9.

It is a zygodrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (620377) 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, 3500 + ... + 3672.

It is an arithmetic number, because the mean of its divisors is an integer number (64206).

2⁶²⁰³⁷⁸ is an apocalyptic number.

620378 is a deficient number, since it is larger than the sum of its proper divisors (406918).

620378 is a wasteful number, since it uses less digits than its factorization.

620378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 620378 is about 787.6407810671. The cubic root of 620378 is about 85.2875154154.

The spelling of 620378 in words is "six hundred twenty thousand, three hundred seventy-eight".