2057407 has 8 divisors (see below), whose sum is σ = 2287440. Its totient is φ = 1834560.

The previous prime is 2057401. The next prime is 2057411. The reversal of 2057407 is 7047502.

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

It is a cyclic number.

It is not a de Polignac number, because 2057407 - 2³ = 2057399 is a prime.

It is an Ulam number.

It is a pancake number, because a pancake can be divided into 2057407 parts by 2028 straight cuts.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1182 + ... + 2347.

It is an arithmetic number, because the mean of its divisors is an integer number (285930).

2^2057407 is an apocalyptic number.

2057407 is a deficient number, since it is larger than the sum of its proper divisors (230033).

2057407 is a wasteful number, since it uses less digits than its factorization.

2057407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3593.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 2057407 is about 1434.3664106497. The cubic root of 2057407 is about 127.1862231760.

The spelling of 2057407 in words is "two million, fifty-seven thousand, four hundred seven".