4978481 has 4 divisors (see below), whose sum is σ = 4990464. Its totient is φ = 4966500.

The previous prime is 4978471. The next prime is 4978483. The reversal of 4978481 is 1848794.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1848794 = 2 ⋅924397.

It is a cyclic number.

It is not a de Polignac number, because 4978481 - 2⁶ = 4978417 is a prime.

It is a super-2 number, since 2×4978481² = 49570546134722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4978483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5345 + ... + 6206.

It is an arithmetic number, because the mean of its divisors is an integer number (1247616).

Almost surely, 2^4978481 is an apocalyptic number.

It is an amenable number.

4978481 is a deficient number, since it is larger than the sum of its proper divisors (11983).

4978481 is a wasteful number, since it uses less digits than its factorization.

4978481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11982.

The product of its digits is 64512, while the sum is 41.

The square root of 4978481 is about 2231.2509943975. The cubic root of 4978481 is about 170.7519287482.

The spelling of 4978481 in words is "four million, nine hundred seventy-eight thousand, four hundred eighty-one".