4862978 has 4 divisors (see below), whose sum is σ = 7294470. Its totient is φ = 2431488.

The previous prime is 4862941. The next prime is 4862983. The reversal of 4862978 is 8792684.

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., 3659569 + 1203409 = 1913^2 + 1097^2 .

It is a d-powerful number, because it can be written as 4⁹ + 8³ + 6⁸ + 2 + 9 + 7⁷ + 8⁷ .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1215743 + ... + 1215746.

Almost surely, 2^4862978 is an apocalyptic number.

4862978 is a deficient number, since it is larger than the sum of its proper divisors (2431492).

4862978 is a wasteful number, since it uses less digits than its factorization.

4862978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431491.

The product of its digits is 193536, while the sum is 44.

The square root of 4862978 is about 2205.2160891849. The cubic root of 4862978 is about 169.4210757306.

The spelling of 4862978 in words is "four million, eight hundred sixty-two thousand, nine hundred seventy-eight".