620194 has 24 divisors (see below), whose sum is σ = 1049940. Its totient is φ = 274176.

The previous prime is 620183. The next prime is 620197. The reversal of 620194 is 491026.

620194 = 132² + 133² + ... + 160².

620194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 582169 + 38025 = 763^2 + 195^2 .

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (620197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16744 + ... + 16780.

2⁶²⁰¹⁹⁴ is an apocalyptic number.

620194 is a deficient number, since it is larger than the sum of its proper divisors (429746).

620194 is a wasteful number, since it uses less digits than its factorization.

620194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 620194 is about 787.5239678892. The cubic root of 620194 is about 85.2790826778.

The spelling of 620194 in words is "six hundred twenty thousand, one hundred ninety-four".