4778950 has 24 divisors (see below), whose sum is σ = 9698040. Its totient is φ = 1737600.

The previous prime is 4778933. The next prime is 4778953. The reversal of 4778950 is 598774.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4778953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3795 + ... + 4894.

It is an arithmetic number, because the mean of its divisors is an integer number (404085).

Almost surely, 2^4778950 is an apocalyptic number.

4778950 is an abundant number, since it is smaller than the sum of its proper divisors (4919090).

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

4778950 is a wasteful number, since it uses less digits than its factorization.

4778950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8712 (or 8707 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 4778950 is about 2186.0809683084. The cubic root of 4778950 is about 168.4395848063.

The spelling of 4778950 in words is "four million, seven hundred seventy-eight thousand, nine hundred fifty".