293640434 has 8 divisors (see below), whose sum is σ = 444737280. Its totient is φ = 145394676.

The previous prime is 293640433. The next prime is 293640449. The reversal of 293640434 is 434046392.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 293640394 and 293640403.

It is not an unprimeable number, because it can be changed into a prime (293640433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712514 + ... + 712925.

It is an arithmetic number, because the mean of its divisors is an integer number (55592160).

Almost surely, 2^293640434 is an apocalyptic number.

293640434 is a deficient number, since it is larger than the sum of its proper divisors (151096846).

293640434 is a wasteful number, since it uses less digits than its factorization.

293640434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425544.

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 293640434 is about 17135.9398341614. The cubic root of 293640434 is about 664.6687886505.

It can be divided in two parts, 29 and 3640434, that added together give a palindrome (3640463).

The spelling of 293640434 in words is "two hundred ninety-three million, six hundred forty thousand, four hundred thirty-four".