4651920 has 240 divisors, whose sum is σ = 19498752. Its totient is φ = 967680.

The previous prime is 4651909. The next prime is 4651939. The reversal of 4651920 is 291564.

4651920 is a `hidden beast` number, since 4 + 651 + 9 + 2 + 0 = 666.

4651920 is digitally balanced in base 4 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65485 + ... + 65555.

Almost surely, 2^4651920 is an apocalyptic number.

4651920 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 4651920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9749376).

4651920 is an abundant number, since it is smaller than the sum of its proper divisors (14846832).

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

4651920 is a wasteful number, since it uses less digits than its factorization.

4651920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 4651920 is about 2156.8310086792. The cubic root of 4651920 is about 166.9337229681.

The spelling of 4651920 in words is "four million, six hundred fifty-one thousand, nine hundred twenty".