4899780 has 72 divisors (see below), whose sum is σ = 15043392. Its totient is φ = 1290816.

The previous prime is 4899737. The next prime is 4899803. The reversal of 4899780 is 879984.

4899780 is a `hidden beast` number, since 489 + 97 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29257 + ... + 29423.

It is an arithmetic number, because the mean of its divisors is an integer number (208936).

Almost surely, 2^4899780 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 4899780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7521696).

4899780 is an abundant number, since it is smaller than the sum of its proper divisors (10143612).

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

4899780 is a wasteful number, since it uses less digits than its factorization.

4899780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 340 counting only the distinct ones).

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

The square root of 4899780 is about 2213.5446686254. The cubic root of 4899780 is about 169.8473832145.

The spelling of 4899780 in words is "four million, eight hundred ninety-nine thousand, seven hundred eighty".