234891072 has 252 divisors, whose sum is σ = 773460480. Its totient is φ = 67931136.

The previous prime is 234891067. The next prime is 234891077. The reversal of 234891072 is 270198432.

It is an interprime number because it is at equal distance from previous prime (234891067) and next prime (234891077).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234891077) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1849473 + ... + 1849599.

Almost surely, 2^234891072 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 234891072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386730240).

234891072 is an abundant number, since it is smaller than the sum of its proper divisors (538569408).

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

234891072 is a wasteful number, since it uses less digits than its factorization.

234891072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 234891072 is about 15326.1564653373. The cubic root of 234891072 is about 617.0052176883.

The spelling of 234891072 in words is "two hundred thirty-four million, eight hundred ninety-one thousand, seventy-two".