9061978 has 8 divisors (see below), whose sum is σ = 14061780. Its totient is φ = 4374720.

The previous prime is 9061973. The next prime is 9061981. The reversal of 9061978 is 8791609.

It can be written as a sum of positive squares in 2 ways, for example, as 7823209 + 1238769 = 2797^2 + 1113^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 9061978.

It is not an unprimeable number, because it can be changed into a prime (9061973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78063 + ... + 78178.

Almost surely, 2^9061978 is an apocalyptic number.

9061978 is a deficient number, since it is larger than the sum of its proper divisors (4999802).

9061978 is a wasteful number, since it uses less digits than its factorization.

9061978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156272.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 9061978 is about 3010.3119439686. The cubic root of 9061978 is about 208.4847698238.

The spelling of 9061978 in words is "nine million, sixty-one thousand, nine hundred seventy-eight".