4057797 has 4 divisors (see below), whose sum is σ = 5410400. Its totient is φ = 2705196.

The previous prime is 4057789. The next prime is 4057799. The reversal of 4057797 is 7977504.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4057797 - 2³ = 4057789 is a prime.

It is a D-number.

It is a Duffinian number.

4057797 is a lucky number.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4057799) 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, 676297 + ... + 676302.

It is an arithmetic number, because the mean of its divisors is an integer number (1352600).

Almost surely, 2^4057797 is an apocalyptic number.

It is an amenable number.

4057797 is a deficient number, since it is larger than the sum of its proper divisors (1352603).

4057797 is a wasteful number, since it uses less digits than its factorization.

4057797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352602.

The product of its (nonzero) digits is 61740, while the sum is 39.

The square root of 4057797 is about 2014.3974285131. The cubic root of 4057797 is about 159.5010105314.

The spelling of 4057797 in words is "four million, fifty-seven thousand, seven hundred ninety-seven".