421471976 has 8 divisors (see below), whose sum is σ = 790259970. Its totient is φ = 210735984.

The previous prime is 421471961. The next prime is 421471991. The reversal of 421471976 is 679174124.

It is an interprime number because it is at equal distance from previous prime (421471961) and next prime (421471991).

It can be written as a sum of positive squares in only one way, i.e., 371487076 + 49984900 = 19274^2 + 7070^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26341991 + ... + 26342006.

Almost surely, 2^421471976 is an apocalyptic number.

It is an amenable number.

421471976 is a deficient number, since it is larger than the sum of its proper divisors (368787994).

421471976 is a wasteful number, since it uses less digits than its factorization.

421471976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52684003 (or 52683999 counting only the distinct ones).

The product of its digits is 84672, while the sum is 41.

The square root of 421471976 is about 20529.7826583722. The cubic root of 421471976 is about 749.7610948702.

The spelling of 421471976 in words is "four hundred twenty-one million, four hundred seventy-one thousand, nine hundred seventy-six".