620394 has 8 divisors (see below), whose sum is σ = 1240800. Its totient is φ = 206796.

The previous prime is 620393. The next prime is 620401. The reversal of 620394 is 493026.

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

620394 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 620394.

It is not an unprimeable number, because it can be changed into a prime (620393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51694 + ... + 51705.

It is an arithmetic number, because the mean of its divisors is an integer number (155100).

2⁶²⁰³⁹⁴ is an apocalyptic number.

620394 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620394 is a wasteful number, since it uses less digits than its factorization.

620394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103404.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 620394 is about 787.6509379160. The cubic root of 620394 is about 85.2882486181.

The spelling of 620394 in words is "six hundred twenty thousand, three hundred ninety-four".