4084457 has 4 divisors (see below), whose sum is σ = 4398660. Its totient is φ = 3770256.

The previous prime is 4084439. The next prime is 4084517. The reversal of 4084457 is 7544804.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 609961 + 3474496 = 781^2 + 1864^2 .

It is a cyclic number.

It is not a de Polignac number, because 4084457 - 2¹⁴ = 4068073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4084427) 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, 157082 + ... + 157107.

It is an arithmetic number, because the mean of its divisors is an integer number (1099665).

Almost surely, 2^4084457 is an apocalyptic number.

It is an amenable number.

4084457 is a deficient number, since it is larger than the sum of its proper divisors (314203).

4084457 is a wasteful number, since it uses less digits than its factorization.

4084457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314202.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 4084457 is about 2021.0039584325. The cubic root of 4084457 is about 159.8495591123.

The spelling of 4084457 in words is "four million, eighty-four thousand, four hundred fifty-seven".