2981748 has 72 divisors (see below), whose sum is σ = 8848224. Its totient is φ = 772800.

The previous prime is 2981711. The next prime is 2981753. The reversal of 2981748 is 8471892.

2981748 = T₆₇ + T₆₈ + ... + T₂₆₂.

It is a super-2 number, since 2×2981748² = 17781642271008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6238 + ... + 6698.

It is an arithmetic number, because the mean of its divisors is an integer number (122892).

2^2981748 is an apocalyptic number.

2981748 is a gapful number since it is divisible by the number (28) 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 2981748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4424112).

2981748 is an abundant number, since it is smaller than the sum of its proper divisors (5866476).

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

2981748 is a wasteful number, since it uses less digits than its factorization.

2981748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 484 counting only the distinct ones).

The product of its digits is 32256, while the sum is 39.

The square root of 2981748 is about 1726.7738705459. The cubic root of 2981748 is about 143.9318736387.

Subtracting from 2981748 its product of digits (32256), we obtain a palindrome (2949492).

The spelling of 2981748 in words is "two million, nine hundred eighty-one thousand, seven hundred forty-eight".