243428910 has 32 divisors (see below), whose sum is σ = 584876160. Its totient is φ = 64842528.

The previous prime is 243428881. The next prime is 243428921. The reversal of 243428910 is 19824342.

243428910 = T₁₁₆ + T₁₁₇ + ... + T₁₁₃₄.

243428910 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26589 + ... + 34551.

It is an arithmetic number, because the mean of its divisors is an integer number (18277380).

Almost surely, 2^243428910 is an apocalyptic number.

243428910 is an abundant number, since it is smaller than the sum of its proper divisors (341447250).

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

243428910 is a wasteful number, since it uses less digits than its factorization.

243428910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8992.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 243428910 is about 15602.2084975173. The cubic root of 243428910 is about 624.3920787492.

The spelling of 243428910 in words is "two hundred forty-three million, four hundred twenty-eight thousand, nine hundred ten".