421454830 has 8 divisors (see below), whose sum is σ = 758618712. Its totient is φ = 168581928.

The previous prime is 421454821. The next prime is 421454833. The reversal of 421454830 is 38454124.

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

It is a junction number, because it is equal to n+sod(n) for n = 421454792 and 421454801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421454833) 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, 21072732 + ... + 21072751.

It is an arithmetic number, because the mean of its divisors is an integer number (94827339).

Almost surely, 2^421454830 is an apocalyptic number.

421454830 is a deficient number, since it is larger than the sum of its proper divisors (337163882).

421454830 is a wasteful number, since it uses less digits than its factorization.

421454830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42145490.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 421454830 is about 20529.3650656809. The cubic root of 421454830 is about 749.7509276635.

The spelling of 421454830 in words is "four hundred twenty-one million, four hundred fifty-four thousand, eight hundred thirty".