406624471 has 8 divisors (see below), whose sum is σ = 444712464. Its totient is φ = 368723520.

The previous prime is 406624441. The next prime is 406624483. The reversal of 406624471 is 174426604.

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

It is a de Polignac number, because none of the positive numbers 2^k-406624471 is a prime.

It is a super-3 number, since 3×406624471³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406624441) 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, 42190 + ... + 50923.

It is an arithmetic number, because the mean of its divisors is an integer number (55589058).

Almost surely, 2^406624471 is an apocalyptic number.

406624471 is a deficient number, since it is larger than the sum of its proper divisors (38087993).

406624471 is a wasteful number, since it uses less digits than its factorization.

406624471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93521.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 406624471 is about 20164.9317132491. The cubic root of 406624471 is about 740.8515100612.

The spelling of 406624471 in words is "four hundred six million, six hundred twenty-four thousand, four hundred seventy-one".