8849978 has 8 divisors (see below), whose sum is σ = 13335168. Its totient is φ = 4404924.

The previous prime is 8849977. The next prime is 8849987. The reversal of 8849978 is 8799488.

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

It is a super-2 number, since 2×8849978² = 156644221200968, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8849977) 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, 9476 + ... + 10367.

It is an arithmetic number, because the mean of its divisors is an integer number (1666896).

Almost surely, 2^8849978 is an apocalyptic number.

8849978 is a deficient number, since it is larger than the sum of its proper divisors (4485190).

8849978 is a wasteful number, since it uses less digits than its factorization.

8849978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20068.

The product of its digits is 1161216, while the sum is 53.

The square root of 8849978 is about 2974.8912585169. The cubic root of 8849978 is about 206.8461286580.

The spelling of 8849978 in words is "eight million, eight hundred forty-nine thousand, nine hundred seventy-eight".