2948978 has 4 divisors (see below), whose sum is σ = 4423470. Its totient is φ = 1474488.

The previous prime is 2948977. The next prime is 2948987. The reversal of 2948978 is 8798492.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2879809 + 69169 = 1697^2 + 263^2 .

It is not an unprimeable number, because it can be changed into a prime (2948977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 737243 + ... + 737246.

2^2948978 is an apocalyptic number.

2948978 is a deficient number, since it is larger than the sum of its proper divisors (1474492).

2948978 is a wasteful number, since it uses less digits than its factorization.

2948978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474491.

The product of its digits is 290304, while the sum is 47.

The square root of 2948978 is about 1717.2588622569. The cubic root of 2948978 is about 143.4026502055.

The spelling of 2948978 in words is "two million, nine hundred forty-eight thousand, nine hundred seventy-eight".