4955978 has 8 divisors (see below), whose sum is σ = 7458372. Its totient is φ = 2469856.

The previous prime is 4955963. The next prime is 4955981. The reversal of 4955978 is 8795594.

It can be written as a sum of positive squares in 2 ways, for example, as 3179089 + 1776889 = 1783^2 + 1333^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3275 + ... + 4542.

Almost surely, 2^4955978 is an apocalyptic number.

4955978 is a deficient number, since it is larger than the sum of its proper divisors (2502394).

4955978 is a wasteful number, since it uses less digits than its factorization.

4955978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8136.

The product of its digits is 453600, while the sum is 47.

The square root of 4955978 is about 2226.2025963510. The cubic root of 4955978 is about 170.4942708693.

The spelling of 4955978 in words is "four million, nine hundred fifty-five thousand, nine hundred seventy-eight".