978334238 has 8 divisors (see below), whose sum is σ = 1677144432. Its totient is φ = 419286096.

The previous prime is 978334223. The next prime is 978334249. The reversal of 978334238 is 832433879.

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

It is a junction number, because it is equal to n+sod(n) for n = 978334192 and 978334201.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 34940495 + ... + 34940522.

It is an arithmetic number, because the mean of its divisors is an integer number (209643054).

Almost surely, 2^978334238 is an apocalyptic number.

978334238 is a deficient number, since it is larger than the sum of its proper divisors (698810194).

978334238 is a wasteful number, since it uses less digits than its factorization.

978334238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69881026.

The product of its digits is 870912, while the sum is 47.

The square root of 978334238 is about 31278.3349620788. The cubic root of 978334238 is about 992.7252862020.

The spelling of 978334238 in words is "nine hundred seventy-eight million, three hundred thirty-four thousand, two hundred thirty-eight".