4921488 has 120 divisors (see below), whose sum is σ = 16248960. Its totient is φ = 1370880.

The previous prime is 4921487. The next prime is 4921493. The reversal of 4921488 is 8841294.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (4921487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20473 + ... + 20711.

It is an arithmetic number, because the mean of its divisors is an integer number (135408).

Almost surely, 2^4921488 is an apocalyptic number.

4921488 is a gapful number since it is divisible by the number (48) 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 4921488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8124480).

4921488 is an abundant number, since it is smaller than the sum of its proper divisors (11327472).

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

4921488 is a wasteful number, since it uses less digits than its factorization.

4921488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 268 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 4921488 is about 2218.4426970287. The cubic root of 4921488 is about 170.0978444816.

The spelling of 4921488 in words is "four million, nine hundred twenty-one thousand, four hundred eighty-eight".