406432351 has 8 divisors (see below), whose sum is σ = 451816064. Its totient is φ = 363065760.

The previous prime is 406432321. The next prime is 406432373. The reversal of 406432351 is 153234604.

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

It is a cyclic number.

It is not a de Polignac number, because 406432351 - 2⁷ = 406432223 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 (406432321) 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, 503856 + ... + 504661.

It is an arithmetic number, because the mean of its divisors is an integer number (56477008).

Almost surely, 2^406432351 is an apocalyptic number.

406432351 is a deficient number, since it is larger than the sum of its proper divisors (45383713).

406432351 is a wasteful number, since it uses less digits than its factorization.

406432351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008561.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 406432351 is about 20160.1674348206. The cubic root of 406432351 is about 740.7348136789.

Adding to 406432351 its reverse (153234604), we get a palindrome (559666955).

The spelling of 406432351 in words is "four hundred six million, four hundred thirty-two thousand, three hundred fifty-one".