406724471 has 2 divisors, whose sum is σ = 406724472. Its totient is φ = 406724470.

The previous prime is 406724467. The next prime is 406724501. The reversal of 406724471 is 174427604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 406724471 - 2² = 406724467 is a prime.

It is a super-3 number, since 3×406724471³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406724411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203362235 + 203362236.

It is an arithmetic number, because the mean of its divisors is an integer number (203362236).

Almost surely, 2^406724471 is an apocalyptic number.

406724471 is a deficient number, since it is larger than the sum of its proper divisors (1).

406724471 is an equidigital number, since it uses as much as digits as its factorization.

406724471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 406724471 is about 20167.4111129813. The cubic root of 406724471 is about 740.9122369185.

The spelling of 406724471 in words is "four hundred six million, seven hundred twenty-four thousand, four hundred seventy-one".