2892978 has 48 divisors (see below), whose sum is σ = 7207200. Its totient is φ = 829440.

The previous prime is 2892977. The next prime is 2892983. The reversal of 2892978 is 8792982.

It is not an unprimeable number, because it can be changed into a prime (2892971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3378 + ... + 4146.

It is an arithmetic number, because the mean of its divisors is an integer number (150150).

2^2892978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2892978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3603600).

2892978 is an abundant number, since it is smaller than the sum of its proper divisors (4314222).

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

2892978 is a wasteful number, since it uses less digits than its factorization.

2892978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807 (or 804 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 2892978 is about 1700.8756568309. The cubic root of 2892978 is about 142.4891219766.

The spelling of 2892978 in words is "two million, eight hundred ninety-two thousand, nine hundred seventy-eight".