4978908 has 90 divisors (see below), whose sum is σ = 14419328. Its totient is φ = 1496880.

The previous prime is 4978907. The next prime is 4978937. The reversal of 4978908 is 8098794.

It is a super-5 number, since 5×4978908⁵ (a number of 35 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4978901) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 39141 + ... + 39267.

Almost surely, 2^4978908 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4978908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7209664).

4978908 is an abundant number, since it is smaller than the sum of its proper divisors (9440420).

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

4978908 is a wasteful number, since it uses less digits than its factorization.

4978908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 4978908 is about 2231.3466785778. The cubic root of 4978908 is about 170.7568103570.

It can be divided in two parts, 4978 and 908, that added together give a triangular number (5886 = T₁₀₈).

The spelling of 4978908 in words is "four million, nine hundred seventy-eight thousand, nine hundred eight".