234978612 has 36 divisors (see below), whose sum is σ = 602662368. Its totient is φ = 71205200.

The previous prime is 234978599. The next prime is 234978613. The reversal of 234978612 is 216879432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234978613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79464 + ... + 82367.

Almost surely, 2^234978612 is an apocalyptic number.

234978612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

234978612 is an abundant number, since it is smaller than the sum of its proper divisors (367683756).

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

234978612 is a wasteful number, since it uses less digits than its factorization.

234978612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161860 (or 161847 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 234978612 is about 15329.0121012412. The cubic root of 234978612 is about 617.0818573662.

The spelling of 234978612 in words is "two hundred thirty-four million, nine hundred seventy-eight thousand, six hundred twelve".