4057399 has 4 divisors (see below), whose sum is σ = 4062136. Its totient is φ = 4052664.

The previous prime is 4057397. The next prime is 4057409. The reversal of 4057399 is 9937504.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4057399 - 2¹ = 4057397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4057397) 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, 684 + ... + 2929.

It is an arithmetic number, because the mean of its divisors is an integer number (1015534).

Almost surely, 2^4057399 is an apocalyptic number.

4057399 is a deficient number, since it is larger than the sum of its proper divisors (4737).

4057399 is a wasteful number, since it uses less digits than its factorization.

4057399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4736.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 4057399 is about 2014.2986372432. The cubic root of 4057399 is about 159.4957955935.

The spelling of 4057399 in words is "four million, fifty-seven thousand, three hundred ninety-nine".