4947280 has 80 divisors (see below), whose sum is σ = 12749184. Its totient is φ = 1774080.

The previous prime is 4947269. The next prime is 4947287. The reversal of 4947280 is 827494.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×4947280³ (a number of 21 digits) contains 333 as substring.

It is a d-powerful number, because it can be written as 4³ + 9⁷ + 4³ + 7³ + 2¹⁷ + 8⁵ + 0 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4947287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69645 + ... + 69715.

Almost surely, 2^4947280 is an apocalyptic number.

4947280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4947280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6374592).

4947280 is an abundant number, since it is smaller than the sum of its proper divisors (7801904).

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

4947280 is a wasteful number, since it uses less digits than its factorization.

4947280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 4947280 is about 2224.2481875906. The cubic root of 4947280 is about 170.3944703474.

The spelling of 4947280 in words is "four million, nine hundred forty-seven thousand, two hundred eighty".