462046421 has 4 divisors (see below), whose sum is σ = 470764332. Its totient is φ = 453328512.

The previous prime is 462046399. The next prime is 462046433. The reversal of 462046421 is 124640264.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 169260100 + 292786321 = 13010^2 + 17111^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-462046421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (462040421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4358876 + ... + 4358981.

It is an arithmetic number, because the mean of its divisors is an integer number (117691083).

Almost surely, 2^462046421 is an apocalyptic number.

It is an amenable number.

462046421 is a deficient number, since it is larger than the sum of its proper divisors (8717911).

462046421 is an equidigital number, since it uses as much as digits as its factorization.

462046421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8717910.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 462046421 is about 21495.2650832689. The cubic root of 462046421 is about 773.0872963639.

Adding to 462046421 its reverse (124640264), we get a palindrome (586686685).

It can be divided in two parts, 46204 and 6421, that added together give a palindrome (52625).

The spelling of 462046421 in words is "four hundred sixty-two million, forty-six thousand, four hundred twenty-one".