2938824 has 120 divisors (see below), whose sum is σ = 9831510. Its totient is φ = 790272.

The previous prime is 2938813. The next prime is 2938843. The reversal of 2938824 is 4288392.

It can be written as a sum of positive squares in only one way, i.e., 2160900 + 777924 = 1470^2 + 882^2 .

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 a nialpdrome in base 12.

It is a zygodrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 172864 + ... + 172880.

2^2938824 is an apocalyptic number.

2938824 is a gapful number since it is divisible by the number (24) 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 2938824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4915755).

2938824 is an abundant number, since it is smaller than the sum of its proper divisors (6892686).

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

2938824 is a wasteful number, since it uses less digits than its factorization.

2938824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57 (or 29 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 2938824 is about 1714.2998570845. The cubic root of 2938824 is about 143.2378716558.

The spelling of 2938824 in words is "two million, nine hundred thirty-eight thousand, eight hundred twenty-four".