417479947 has 2 divisors, whose sum is σ = 417479948. Its totient is φ = 417479946.

The previous prime is 417479927. The next prime is 417479977. The reversal of 417479947 is 749974714.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 417479947 - 2¹⁵ = 417447179 is a prime.

It is a super-3 number, since 3×417479947³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 417479894 and 417479903.

It is not a weakly prime, because it can be changed into another prime (417479927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208739973 + 208739974.

It is an arithmetic number, because the mean of its divisors is an integer number (208739974).

Almost surely, 2^417479947 is an apocalyptic number.

417479947 is a deficient number, since it is larger than the sum of its proper divisors (1).

417479947 is an equidigital number, since it uses as much as digits as its factorization.

417479947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1778112, while the sum is 52.

The square root of 417479947 is about 20432.3260300926. The cubic root of 417479947 is about 747.3864270427.

The spelling of 417479947 in words is "four hundred seventeen million, four hundred seventy-nine thousand, nine hundred forty-seven".