641194 has 16 divisors (see below), whose sum is σ = 1026432. Its totient is φ = 299728.

The previous prime is 641167. The next prime is 641197. The reversal of 641194 is 491146.

It is a super-2 number, since 2×641194² = 822259491272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641197) 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, 2307 + ... + 2569.

It is an arithmetic number, because the mean of its divisors is an integer number (64152).

2⁶⁴¹¹⁹⁴ is an apocalyptic number.

641194 is a deficient number, since it is larger than the sum of its proper divisors (385238).

641194 is a wasteful number, since it uses less digits than its factorization.

641194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341.

The product of its digits is 864, while the sum is 25.

The square root of 641194 is about 800.7459022686. The cubic root of 641194 is about 86.2309458714.

The spelling of 641194 in words is "six hundred forty-one thousand, one hundred ninety-four".