2938820 has 12 divisors (see below), whose sum is σ = 6171564. Its totient is φ = 1175520.

The previous prime is 2938813. The next prime is 2938843. The reversal of 2938820 is 288392.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1110916 + 1827904 = 1054^2 + 1352^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73451 + ... + 73490.

It is an arithmetic number, because the mean of its divisors is an integer number (514297).

2^2938820 is an apocalyptic number.

2938820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2938820 is an abundant number, since it is smaller than the sum of its proper divisors (3232744).

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

2938820 is a wasteful number, since it uses less digits than its factorization.

2938820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146950 (or 146948 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 2938820 is about 1714.2986904271. The cubic root of 2938820 is about 143.2378066692.

The spelling of 2938820 in words is "two million, nine hundred thirty-eight thousand, eight hundred twenty".