406471438 has 8 divisors (see below), whose sum is σ = 609881688. Its totient is φ = 203177544.

The previous prime is 406471399. The next prime is 406471441. The reversal of 406471438 is 834174604.

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

It is a junction number, because it is equal to n+sod(n) for n = 406471397 and 406471406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19756 + ... + 34687.

It is an arithmetic number, because the mean of its divisors is an integer number (76235211).

Almost surely, 2^406471438 is an apocalyptic number.

406471438 is a deficient number, since it is larger than the sum of its proper divisors (203410250).

406471438 is a wasteful number, since it uses less digits than its factorization.

406471438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58178.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 406471438 is about 20161.1368231060. The cubic root of 406471438 is about 740.7585586502.

The spelling of 406471438 in words is "four hundred six million, four hundred seventy-one thousand, four hundred thirty-eight".