2049380 has 24 divisors (see below), whose sum is σ = 4405632. Its totient is φ = 800352.

The previous prime is 2049361. The next prime is 2049407. The reversal of 2049380 is 839402.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332 + ... + 2051.

It is an arithmetic number, because the mean of its divisors is an integer number (183568).

2^2049380 is an apocalyptic number.

2049380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2049380 is an abundant number, since it is smaller than the sum of its proper divisors (2356252).

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

2049380 is a wasteful number, since it uses less digits than its factorization.

2049380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435 (or 2433 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2049380 is about 1431.5655765629. The cubic root of 2049380 is about 127.0206013658.

The spelling of 2049380 in words is "two million, forty-nine thousand, three hundred eighty".