407679401 has 4 divisors (see below), whose sum is σ = 409429332. Its totient is φ = 405929472.

The previous prime is 407679383. The next prime is 407679403. The reversal of 407679401 is 104976704.

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 244453225 + 163226176 = 15635^2 + 12776^2 .

It is a cyclic number.

It is not a de Polignac number, because 407679401 - 2²² = 403485097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (407679403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 874616 + ... + 875081.

It is an arithmetic number, because the mean of its divisors is an integer number (102357333).

Almost surely, 2^407679401 is an apocalyptic number.

It is an amenable number.

407679401 is a deficient number, since it is larger than the sum of its proper divisors (1749931).

407679401 is a wasteful number, since it uses less digits than its factorization.

407679401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749930.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 407679401 is about 20191.0723093153. The cubic root of 407679401 is about 741.4916351568.

The spelling of 407679401 in words is "four hundred seven million, six hundred seventy-nine thousand, four hundred one".