2057480 has 16 divisors (see below), whose sum is σ = 4629420. Its totient is φ = 822976.

The previous prime is 2057479. The next prime is 2057483. The reversal of 2057480 is 847502.

It can be written as a sum of positive squares in 2 ways, for example, as 1943236 + 114244 = 1394^2 + 338^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2057483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25679 + ... + 25758.

2^2057480 is an apocalyptic number.

2057480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2057480 is an abundant number, since it is smaller than the sum of its proper divisors (2571940).

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

2057480 is a wasteful number, since it uses less digits than its factorization.

2057480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51448 (or 51444 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 2057480 is about 1434.3918571994. The cubic root of 2057480 is about 127.1877274132.

The spelling of 2057480 in words is "two million, fifty-seven thousand, four hundred eighty".