407431679 has 4 divisors (see below), whose sum is σ = 418443384. Its totient is φ = 396419976.

The previous prime is 407431663. The next prime is 407431681. The reversal of 407431679 is 976134704.

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

It is a cyclic number.

It is not a de Polignac number, because 407431679 - 2⁴ = 407431663 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 (407431699) 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 3 ways as a sum of consecutive naturals, for example, 5505797 + ... + 5505870.

It is an arithmetic number, because the mean of its divisors is an integer number (104610846).

Almost surely, 2^407431679 is an apocalyptic number.

407431679 is a deficient number, since it is larger than the sum of its proper divisors (11011705).

407431679 is a wasteful number, since it uses less digits than its factorization.

407431679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11011704.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 407431679 is about 20184.9369332678. The cubic root of 407431679 is about 741.3414182565.

It can be divided in two parts, 4074 and 31679, that added together give a palindrome (35753).

The spelling of 407431679 in words is "four hundred seven million, four hundred thirty-one thousand, six hundred seventy-nine".