4842978 has 16 divisors (see below), whose sum is σ = 11069760. Its totient is φ = 1383696.

The previous prime is 4842953. The next prime is 4842983. The reversal of 4842978 is 8792484.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 115309 = 4842978 / (4 + 8 + 4 + 2 + 9 + 7 + 8).

It is a d-powerful number, because it can be written as 4⁴ + 8 + 4⁷ + 2¹³ + 9⁷ + 7⁴ + 8⁵ .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57613 + ... + 57696.

It is an arithmetic number, because the mean of its divisors is an integer number (691860).

Almost surely, 2^4842978 is an apocalyptic number.

4842978 is an abundant number, since it is smaller than the sum of its proper divisors (6226782).

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

4842978 is a wasteful number, since it uses less digits than its factorization.

4842978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115321.

The product of its digits is 129024, while the sum is 42.

The square root of 4842978 is about 2200.6767141041. The cubic root of 4842978 is about 169.1884968902.

The spelling of 4842978 in words is "four million, eight hundred forty-two thousand, nine hundred seventy-eight".