440936693 has 4 divisors (see below), whose sum is σ = 441104448. Its totient is φ = 440768940.

The previous prime is 440936681. The next prime is 440936707. The reversal of 440936693 is 396639044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 440936693 - 2¹⁶ = 440871157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440936623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79871 + ... + 85212.

It is an arithmetic number, because the mean of its divisors is an integer number (110276112).

Almost surely, 2^440936693 is an apocalyptic number.

It is an amenable number.

440936693 is a deficient number, since it is larger than the sum of its proper divisors (167755).

440936693 is a wasteful number, since it uses less digits than its factorization.

440936693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167754.

The product of its (nonzero) digits is 419904, while the sum is 44.

The square root of 440936693 is about 20998.4926363775. The cubic root of 440936693 is about 761.1298367192.

The spelling of 440936693 in words is "four hundred forty million, nine hundred thirty-six thousand, six hundred ninety-three".