421976454 has 8 divisors (see below), whose sum is σ = 843952920. Its totient is φ = 140658816.

The previous prime is 421976449. The next prime is 421976473. The reversal of 421976454 is 454679124.

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

421976454 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35164699 + ... + 35164710.

It is an arithmetic number, because the mean of its divisors is an integer number (105494115).

Almost surely, 2^421976454 is an apocalyptic number.

421976454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

421976454 is a wasteful number, since it uses less digits than its factorization.

421976454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70329414.

The product of its digits is 241920, while the sum is 42.

The square root of 421976454 is about 20542.0654755066. The cubic root of 421976454 is about 750.0601160702.

The spelling of 421976454 in words is "four hundred twenty-one million, nine hundred seventy-six thousand, four hundred fifty-four".