9038978 has 16 divisors (see below), whose sum is σ = 14683200. Its totient is φ = 4148496.

The previous prime is 9038969. The next prime is 9039007. The reversal of 9038978 is 8798309.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4301 + ... + 6047.

It is an arithmetic number, because the mean of its divisors is an integer number (917700).

Almost surely, 2^9038978 is an apocalyptic number.

9038978 is a deficient number, since it is larger than the sum of its proper divisors (5644222).

9038978 is a wasteful number, since it uses less digits than its factorization.

9038978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 9038978 is about 3006.4893147989. The cubic root of 9038978 is about 208.3082369058.

The spelling of 9038978 in words is "nine million, thirty-eight thousand, nine hundred seventy-eight".