4621144 has 32 divisors (see below), whose sum is σ = 10011600. Its totient is φ = 1976320.

The previous prime is 4621129. The next prime is 4621153. The reversal of 4621144 is 4411264.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49 + ... + 3040.

Almost surely, 2^4621144 is an apocalyptic number.

4621144 is a gapful number since it is divisible by the number (44) 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 4621144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5005800).

4621144 is an abundant number, since it is smaller than the sum of its proper divisors (5390456).

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

4621144 is a wasteful number, since it uses less digits than its factorization.

4621144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3123 (or 3119 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 4621144 is about 2149.6846280327. The cubic root of 4621144 is about 166.5647768346.

The spelling of 4621144 in words is "four million, six hundred twenty-one thousand, one hundred forty-four".