2057458 has 8 divisors (see below), whose sum is σ = 3323628. Its totient is φ = 949584.

The previous prime is 2057441. The next prime is 2057477. The reversal of 2057458 is 8547502.

It can be written as a sum of positive squares in 2 ways, for example, as 2053489 + 3969 = 1433^2 + 63^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39541 + ... + 39592.

2^2057458 is an apocalyptic number.

2057458 is a deficient number, since it is larger than the sum of its proper divisors (1266170).

2057458 is a wasteful number, since it uses less digits than its factorization.

2057458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79148.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 2057458 is about 1434.3841884237. The cubic root of 2057458 is about 127.1872740852.

The spelling of 2057458 in words is "two million, fifty-seven thousand, four hundred fifty-eight".