4040357 has 4 divisors (see below), whose sum is σ = 4089120. Its totient is φ = 3991596.

The previous prime is 4040353. The next prime is 4040359. The reversal of 4040357 is 7530404.

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 a cyclic number.

It is not a de Polignac number, because 4040357 - 2² = 4040353 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 (4040353) by changing a digit.

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, 24257 + ... + 24422.

It is an arithmetic number, because the mean of its divisors is an integer number (1022280).

Almost surely, 2^4040357 is an apocalyptic number.

It is an amenable number.

4040357 is a deficient number, since it is larger than the sum of its proper divisors (48763).

4040357 is an equidigital number, since it uses as much as digits as its factorization.

4040357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48762.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 4040357 is about 2010.0639293316. The cubic root of 4040357 is about 159.2721759923.

The spelling of 4040357 in words is "four million, forty thousand, three hundred fifty-seven".