406740093 has 8 divisors (see below), whose sum is σ = 545912256. Its totient is φ = 269364000.

The previous prime is 406740091. The next prime is 406740107. The reversal of 406740093 is 390047604.

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

It is not a de Polignac number, because 406740093 - 2¹ = 406740091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406740091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448488 + ... + 449393.

It is an arithmetic number, because the mean of its divisors is an integer number (68239032).

Almost surely, 2^406740093 is an apocalyptic number.

It is an amenable number.

406740093 is a deficient number, since it is larger than the sum of its proper divisors (139172163).

406740093 is a wasteful number, since it uses less digits than its factorization.

406740093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898035.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 406740093 is about 20167.7984172790. The cubic root of 406740093 is about 740.9217227692.

Adding to 406740093 its reverse (390047604), we get a palindrome (796787697).

The spelling of 406740093 in words is "four hundred six million, seven hundred forty thousand, ninety-three".