4911788 has 48 divisors (see below), whose sum is σ = 10644480. Its totient is φ = 1936704.

The previous prime is 4911773. The next prime is 4911791. The reversal of 4911788 is 8871194.

It is a super-2 number, since 2×4911788² = 48251322713888, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18545 + ... + 18807.

It is an arithmetic number, because the mean of its divisors is an integer number (221760).

Almost surely, 2^4911788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4911788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5322240).

4911788 is an abundant number, since it is smaller than the sum of its proper divisors (5732692).

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

4911788 is a wasteful number, since it uses less digits than its factorization.

4911788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 324 counting only the distinct ones).

The product of its digits is 16128, while the sum is 38.

The square root of 4911788 is about 2216.2554004446. The cubic root of 4911788 is about 169.9860196116.

The spelling of 4911788 in words is "four million, nine hundred eleven thousand, seven hundred eighty-eight".