2057630 has 8 divisors (see below), whose sum is σ = 3703752. Its totient is φ = 823048.

The previous prime is 2057611. The next prime is 2057633. The reversal of 2057630 is 367502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2057596 and 2057605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057633) 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, 102872 + ... + 102891.

It is an arithmetic number, because the mean of its divisors is an integer number (462969).

2^2057630 is an apocalyptic number.

2057630 is a deficient number, since it is larger than the sum of its proper divisors (1646122).

2057630 is a wasteful number, since it uses less digits than its factorization.

2057630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205770.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 2057630 is about 1434.4441432137. Note that the first 3 decimals coincide. The cubic root of 2057630 is about 127.1908181999.

The spelling of 2057630 in words is "two million, fifty-seven thousand, six hundred thirty".