2950978 has 4 divisors (see below), whose sum is σ = 4426470. Its totient is φ = 1475488.

The previous prime is 2950963. The next prime is 2950991. The reversal of 2950978 is 8790592.

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., 2199289 + 751689 = 1483^2 + 867^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2950978.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 737743 + ... + 737746.

2^2950978 is an apocalyptic number.

2950978 is a deficient number, since it is larger than the sum of its proper divisors (1475492).

2950978 is a wasteful number, since it uses less digits than its factorization.

2950978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475491.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 2950978 is about 1717.8410869461. The cubic root of 2950978 is about 143.4350614892.

The spelling of 2950978 in words is "two million, nine hundred fifty thousand, nine hundred seventy-eight".