621094 has 4 divisors (see below), whose sum is σ = 931644. Its totient is φ = 310546.

The previous prime is 621083. The next prime is 621097. The reversal of 621094 is 490126.

621094 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155272 + ... + 155275.

It is an arithmetic number, because the mean of its divisors is an integer number (232911).

2⁶²¹⁰⁹⁴ is an apocalyptic number.

621094 is a deficient number, since it is larger than the sum of its proper divisors (310550).

621094 is a wasteful number, since it uses less digits than its factorization.

621094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310549.

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

The square root of 621094 is about 788.0951719177. The cubic root of 621094 is about 85.3203139046.

It can be divided in two parts, 6210 and 94, that multiplied together give a triangular number (583740 = T₁₀₈₀).

The spelling of 621094 in words is "six hundred twenty-one thousand, ninety-four".