4978855 has 16 divisors (see below), whose sum is σ = 7188480. Its totient is φ = 3233952.

The previous prime is 4978847. The next prime is 4978867. The reversal of 4978855 is 5588794.

It is not a de Polignac number, because 4978855 - 2³ = 4978847 is a prime.

It is a super-2 number, since 2×4978855² = 49577994222050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3079 + ... + 4408.

It is an arithmetic number, because the mean of its divisors is an integer number (449280).

Almost surely, 2^4978855 is an apocalyptic number.

4978855 is a deficient number, since it is larger than the sum of its proper divisors (2209625).

4978855 is a wasteful number, since it uses less digits than its factorization.

4978855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7518.

The product of its digits is 403200, while the sum is 46.

The square root of 4978855 is about 2231.3348023100. The cubic root of 4978855 is about 170.7562044582.

The spelling of 4978855 in words is "four million, nine hundred seventy-eight thousand, eight hundred fifty-five".