241421004 has 72 divisors (see below), whose sum is σ = 683771088. Its totient is φ = 71176320.

The previous prime is 241421003. The next prime is 241421009. The reversal of 241421004 is 400124142.

241421004 is a `hidden beast` number, since 241 + 421 + 0 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (241421003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6414 + ... + 22890.

Almost surely, 2^241421004 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 241421004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341885544).

241421004 is an abundant number, since it is smaller than the sum of its proper divisors (442350084).

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

241421004 is a wasteful number, since it uses less digits than its factorization.

241421004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16535 (or 16530 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 241421004 is about 15537.7284054008. The cubic root of 241421004 is about 622.6705856588.

Adding to 241421004 its reverse (400124142), we get a palindrome (641545146).

The spelling of 241421004 in words is "two hundred forty-one million, four hundred twenty-one thousand, four".