4780650 has 96 divisors (see below), whose sum is σ = 14106240. Its totient is φ = 1048320.

The previous prime is 4780649. The next prime is 4780663. The reversal of 4780650 is 560874.

It is a happy number.

It is a super-2 number, since 2×4780650² = 45709228845000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30372 + ... + 30528.

It is an arithmetic number, because the mean of its divisors is an integer number (146940).

Almost surely, 2^4780650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4780650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7053120).

4780650 is an abundant number, since it is smaller than the sum of its proper divisors (9325590).

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

4780650 is a wasteful number, since it uses less digits than its factorization.

4780650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 4780650 is about 2186.4697573943. The cubic root of 4780650 is about 168.4595552563.

The spelling of 4780650 in words is "four million, seven hundred eighty thousand, six hundred fifty".