234398380 has 48 divisors (see below), whose sum is σ = 522668160. Its totient is φ = 87994368.

The previous prime is 234398377. The next prime is 234398389. The reversal of 234398380 is 83893432.

It is not an unprimeable number, because it can be changed into a prime (234398389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156676 + ... + 158164.

It is an arithmetic number, because the mean of its divisors is an integer number (10888920).

Almost surely, 2^234398380 is an apocalyptic number.

234398380 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 234398380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261334080).

234398380 is an abundant number, since it is smaller than the sum of its proper divisors (288269780).

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

234398380 is a wasteful number, since it uses less digits than its factorization.

234398380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978 (or 1976 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 234398380 is about 15310.0744609554. The cubic root of 234398380 is about 616.5735192479.

The spelling of 234398380 in words is "two hundred thirty-four million, three hundred ninety-eight thousand, three hundred eighty".