472346421 has 8 divisors (see below), whose sum is σ = 629987904. Its totient is φ = 314801280.

The previous prime is 472346417. The next prime is 472346431. The reversal of 472346421 is 124643274.

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

It is not a de Polignac number, because 472346421 - 2² = 472346417 is a prime.

It is a super-2 number, since 2×472346421² = 446222282863018482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472346431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11740 + ... + 32901.

It is an arithmetic number, because the mean of its divisors is an integer number (78748488).

Almost surely, 2^472346421 is an apocalyptic number.

It is an amenable number.

472346421 is a deficient number, since it is larger than the sum of its proper divisors (157641483).

472346421 is a wasteful number, since it uses less digits than its factorization.

472346421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48171.

The product of its digits is 32256, while the sum is 33.

The square root of 472346421 is about 21733.5321795607. The cubic root of 472346421 is about 778.7897190377.

Adding to 472346421 its reverse (124643274), we get a palindrome (596989695).

The spelling of 472346421 in words is "four hundred seventy-two million, three hundred forty-six thousand, four hundred twenty-one".