407404093 has 4 divisors (see below), whose sum is σ = 421452540. Its totient is φ = 393355648.

The previous prime is 407404079. The next prime is 407404111. The reversal of 407404093 is 390404704.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 131744484 + 275659609 = 11478^2 + 16603^2 .

It is a cyclic number.

It is not a de Polignac number, because 407404093 - 2²⁵ = 373849661 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 (407404013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7024180 + ... + 7024237.

It is an arithmetic number, because the mean of its divisors is an integer number (105363135).

Almost surely, 2^407404093 is an apocalyptic number.

It is an amenable number.

407404093 is a deficient number, since it is larger than the sum of its proper divisors (14048447).

407404093 is a wasteful number, since it uses less digits than its factorization.

407404093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14048446.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 407404093 is about 20184.2535903610. The cubic root of 407404093 is about 741.3246865302.

Adding to 407404093 its reverse (390404704), we get a palindrome (797808797).

The spelling of 407404093 in words is "four hundred seven million, four hundred four thousand, ninety-three".