421154304 has 80 divisors (see below), whose sum is σ = 1181114880. Its totient is φ = 132986880.

The previous prime is 421154299. The next prime is 421154339. The reversal of 421154304 is 403451124.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 21969 + ... + 36399.

It is an arithmetic number, because the mean of its divisors is an integer number (14763936).

Almost surely, 2^421154304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421154304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (590557440).

421154304 is an abundant number, since it is smaller than the sum of its proper divisors (759960576).

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

421154304 is a wasteful number, since it uses less digits than its factorization.

421154304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14471 (or 14455 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 421154304 is about 20522.0443426088. The cubic root of 421154304 is about 749.5726774624.

The spelling of 421154304 in words is "four hundred twenty-one million, one hundred fifty-four thousand, three hundred four".