234021798 has 40 divisors (see below), whose sum is σ = 525255192. Its totient is φ = 77877504.

The previous prime is 234021769. The next prime is 234021833. The reversal of 234021798 is 897120432.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 191686 + ... + 192902.

Almost surely, 2^234021798 is an apocalyptic number.

234021798 is an abundant number, since it is smaller than the sum of its proper divisors (291233394).

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

234021798 is a wasteful number, since it uses less digits than its factorization.

234021798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2418 (or 2409 counting only the distinct ones).

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

The square root of 234021798 is about 15297.7710141053. The cubic root of 234021798 is about 616.2431487265.

It can be divided in two parts, 23402 and 1798, that added together give a triangular number (25200 = T₂₂₄).

The spelling of 234021798 in words is "two hundred thirty-four million, twenty-one thousand, seven hundred ninety-eight".