234821742 has 8 divisors (see below), whose sum is σ = 469643496. Its totient is φ = 78273912.

The previous prime is 234821737. The next prime is 234821767. The reversal of 234821742 is 247128432.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

234821742 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19568473 + ... + 19568484.

It is an arithmetic number, because the mean of its divisors is an integer number (58705437).

Almost surely, 2^234821742 is an apocalyptic number.

234821742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

234821742 is a wasteful number, since it uses less digits than its factorization.

234821742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39136962.

The product of its digits is 21504, while the sum is 33.

The square root of 234821742 is about 15323.8944788849. The cubic root of 234821742 is about 616.9445070211.

It can be divided in two parts, 2348 and 21742, that added together give a triangular number (24090 = T₂₁₉).

The spelling of 234821742 in words is "two hundred thirty-four million, eight hundred twenty-one thousand, seven hundred forty-two".