234401420 has 48 divisors (see below), whose sum is σ = 539342496. Its totient is φ = 84864000.

The previous prime is 234401417. The next prime is 234401449. The reversal of 234401420 is 24104432.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 234401392 and 234401401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50810 + ... + 55230.

It is an arithmetic number, because the mean of its divisors is an integer number (11236302).

Almost surely, 2^234401420 is an apocalyptic number.

234401420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234401420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269671248).

234401420 is an abundant number, since it is smaller than the sum of its proper divisors (304941076).

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

234401420 is a wasteful number, since it uses less digits than its factorization.

234401420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4682 (or 4680 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 234401420 is about 15310.1737416660. The cubic root of 234401420 is about 616.5761847603.

Adding to 234401420 its reverse (24104432), we get a palindrome (258505852).

The spelling of 234401420 in words is "two hundred thirty-four million, four hundred one thousand, four hundred twenty".