4057407 has 24 divisors (see below), whose sum is σ = 6480864. Its totient is φ = 2433024.

The previous prime is 4057397. The next prime is 4057409. The reversal of 4057407 is 7047504.

It is not a de Polignac number, because 4057407 - 2⁶ = 4057343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4057409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2943 + ... + 4095.

It is an arithmetic number, because the mean of its divisors is an integer number (270036).

Almost surely, 2^4057407 is an apocalyptic number.

4057407 is a deficient number, since it is larger than the sum of its proper divisors (2423457).

4057407 is a wasteful number, since it uses less digits than its factorization.

4057407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199 (or 1196 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 4057407 is about 2014.3006230451. The cubic root of 4057407 is about 159.4959004197.

The spelling of 4057407 in words is "four million, fifty-seven thousand, four hundred seven".