978942234 has 16 divisors (see below), whose sum is σ = 1960994880. Its totient is φ = 325795680.

The previous prime is 978942233. The next prime is 978942247. The reversal of 978942234 is 432249879.

It is not an unprimeable number, because it can be changed into a prime (978942233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125499 + ... + 133070.

It is an arithmetic number, because the mean of its divisors is an integer number (122562180).

Almost surely, 2^978942234 is an apocalyptic number.

978942234 is an abundant number, since it is smaller than the sum of its proper divisors (982052646).

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

978942234 is a wasteful number, since it uses less digits than its factorization.

978942234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259205.

The product of its digits is 870912, while the sum is 48.

The square root of 978942234 is about 31288.0525760233. The cubic root of 978942234 is about 992.9308901052.

It can be divided in two parts, 97894 and 2234, that added together give a triangular number (100128 = T₄₄₇).

The spelling of 978942234 in words is "nine hundred seventy-eight million, nine hundred forty-two thousand, two hundred thirty-four".