406630407 has 8 divisors (see below), whose sum is σ = 556827376. Its totient is φ = 263760192.

The previous prime is 406630397. The next prime is 406630421. The reversal of 406630407 is 704036604.

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

It is not a de Polignac number, because 406630407 - 2⁴ = 406630391 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 (406630447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1831558 + ... + 1831779.

It is an arithmetic number, because the mean of its divisors is an integer number (69603422).

Almost surely, 2^406630407 is an apocalyptic number.

406630407 is a deficient number, since it is larger than the sum of its proper divisors (150196969).

406630407 is a wasteful number, since it uses less digits than its factorization.

406630407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3663377.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 406630407 is about 20165.0788989282. The cubic root of 406630407 is about 740.8551150854.

The spelling of 406630407 in words is "four hundred six million, six hundred thirty thousand, four hundred seven".