243694 has 24 divisors (see below), whose sum is σ = 430920. Its totient is φ = 102960.

The previous prime is 243673. The next prime is 243701. The reversal of 243694 is 496342.

It is a d-powerful number, because it can be written as 2 + 4³ + 6³ + 3¹¹ + 9³ + 4⁸ .

Its product of digits (5184) is a multiple of the sum of its prime factors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4572 + ... + 4624.

It is an arithmetic number, because the mean of its divisors is an integer number (17955).

2²⁴³⁶⁹⁴ is an apocalyptic number.

243694 is a deficient number, since it is larger than the sum of its proper divisors (187226).

243694 is a wasteful number, since it uses less digits than its factorization.

243694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 85 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 243694 is about 493.6537247910. The cubic root of 243694 is about 62.4618647360.

The spelling of 243694 in words is "two hundred forty-three thousand, six hundred ninety-four".