93409340 has 48 divisors (see below), whose sum is σ = 200727072. Its totient is φ = 36504576.

The previous prime is 93409333. The next prime is 93409343. The reversal of 93409340 is 4390439.

It is a junction number, because it is equal to n+sod(n) for n = 93409297 and 93409306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93409343) 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 15 ways as a sum of consecutive naturals, for example, 199787 + ... + 200253.

It is an arithmetic number, because the mean of its divisors is an integer number (4181814).

Almost surely, 2^93409340 is an apocalyptic number.

It is an amenable number.

93409340 is an abundant number, since it is smaller than the sum of its proper divisors (107317732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

93409340 is a wasteful number, since it uses less digits than its factorization.

93409340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 93409340 is about 9664.8507489769. The cubic root of 93409340 is about 453.7292401211.

Adding to 93409340 its reverse (4390439), we get a palindrome (97799779).

The spelling of 93409340 in words is "ninety-three million, four hundred nine thousand, three hundred forty".