421346454 has 16 divisors (see below), whose sum is σ = 865468848. Its totient is φ = 136652832.

The previous prime is 421346441. The next prime is 421346477. The reversal of 421346454 is 454643124.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 948757 + ... + 949200.

It is an arithmetic number, because the mean of its divisors is an integer number (54091803).

Almost surely, 2^421346454 is an apocalyptic number.

421346454 is an abundant number, since it is smaller than the sum of its proper divisors (444122394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421346454 is a wasteful number, since it uses less digits than its factorization.

421346454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897999.

The product of its digits is 46080, while the sum is 33.

The square root of 421346454 is about 20526.7253598814. The cubic root of 421346454 is about 749.6866566617.

Adding to 421346454 its reverse (454643124), we get a palindrome (875989578).

It can be divided in two parts, 4213464 and 54, that multiplied together give a square (227527056 = 15084²).

The spelling of 421346454 in words is "four hundred twenty-one million, three hundred forty-six thousand, four hundred fifty-four".