234861900 has 216 divisors, whose sum is σ = 851976720. Its totient is φ = 49512960.

The previous prime is 234861889. The next prime is 234861931. The reversal of 234861900 is 9168432.

It is a super-2 number, since 2×234861900² = 110320224143220000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 190486 + ... + 191714.

Almost surely, 2^234861900 is an apocalyptic number.

234861900 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 234861900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425988360).

234861900 is an abundant number, since it is smaller than the sum of its proper divisors (617114820).

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

234861900 is a wasteful number, since it uses less digits than its factorization.

234861900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273 (or 1259 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 234861900 is about 15325.2047294645. The cubic root of 234861900 is about 616.9796739029.

The spelling of 234861900 in words is "two hundred thirty-four million, eight hundred sixty-one thousand, nine hundred".