4901640 has 32 divisors (see below), whose sum is σ = 14705280. Its totient is φ = 1307072.

The previous prime is 4901623. The next prime is 4901647. The reversal of 4901640 is 461094.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 4901640.

It is not an unprimeable number, because it can be changed into a prime (4901647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20304 + ... + 20543.

It is an arithmetic number, because the mean of its divisors is an integer number (459540).

Almost surely, 2^4901640 is an apocalyptic number.

4901640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4901640 is an abundant number, since it is smaller than the sum of its proper divisors (9803640).

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

4901640 is a wasteful number, since it uses less digits than its factorization.

4901640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40861 (or 40857 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 4901640 is about 2213.9647693674. The cubic root of 4901640 is about 169.8688723539.

The spelling of 4901640 in words is "four million, nine hundred one thousand, six hundred forty".