421234248 has 32 divisors (see below), whose sum is σ = 1072958400. Its totient is φ = 137761728.

The previous prime is 421234243. The next prime is 421234249. The reversal of 421234248 is 842432124.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (421234243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164308 + ... + 166851.

It is an arithmetic number, because the mean of its divisors is an integer number (33529950).

Almost surely, 2^421234248 is an apocalyptic number.

It is an amenable number.

421234248 is an abundant number, since it is smaller than the sum of its proper divisors (651724152).

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

421234248 is a wasteful number, since it uses less digits than its factorization.

421234248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331221 (or 331217 counting only the distinct ones).

The product of its digits is 12288, while the sum is 30.

The square root of 421234248 is about 20523.9920093533. The cubic root of 421234248 is about 749.6201027143.

The spelling of 421234248 in words is "four hundred twenty-one million, two hundred thirty-four thousand, two hundred forty-eight".