234989919 has 12 divisors (see below), whose sum is σ = 354188016. Its totient is φ = 149848512.

The previous prime is 234989917. The next prime is 234989999. The reversal of 234989919 is 919989432.

234989919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 234989919 - 2¹ = 234989917 is a prime.

It is a super-2 number, since 2×234989919² = 110440524063253122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234989917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 567402 + ... + 567815.

It is an arithmetic number, because the mean of its divisors is an integer number (29515668).

Almost surely, 2^234989919 is an apocalyptic number.

234989919 is a deficient number, since it is larger than the sum of its proper divisors (119198097).

234989919 is a wasteful number, since it uses less digits than its factorization.

234989919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135246 (or 1135243 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 54.

The square root of 234989919 is about 15329.3809072643. The cubic root of 234989919 is about 617.0917550509.

The spelling of 234989919 in words is "two hundred thirty-four million, nine hundred eighty-nine thousand, nine hundred nineteen".