471632421 has 48 divisors (see below), whose sum is σ = 722863680. Its totient is φ = 271848960.

The previous prime is 471632401. The next prime is 471632429. The reversal of 471632421 is 124236174.

It is not a de Polignac number, because 471632421 - 2¹⁹ = 471108133 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471632429) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1956861 + ... + 1957101.

It is an arithmetic number, because the mean of its divisors is an integer number (15059660).

Almost surely, 2^471632421 is an apocalyptic number.

It is an amenable number.

471632421 is a deficient number, since it is larger than the sum of its proper divisors (251231259).

471632421 is a wasteful number, since it uses less digits than its factorization.

471632421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 415 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 471632421 is about 21717.0997373038. The cubic root of 471632421 is about 778.3971143386.

Adding to 471632421 its reverse (124236174), we get a palindrome (595868595).

The spelling of 471632421 in words is "four hundred seventy-one million, six hundred thirty-two thousand, four hundred twenty-one".