4005454 has 8 divisors (see below), whose sum is σ = 6154848. Its totient is φ = 1953840.

The previous prime is 4005433. The next prime is 4005457. The reversal of 4005454 is 4545004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4005454² = 32087323492232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4005457) 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, 24342 + ... + 24505.

It is an arithmetic number, because the mean of its divisors is an integer number (769356).

Almost surely, 2^4005454 is an apocalyptic number.

4005454 is a deficient number, since it is larger than the sum of its proper divisors (2149394).

4005454 is a wasteful number, since it uses less digits than its factorization.

4005454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48890.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 4005454 is about 2001.3630355335. The cubic root of 4005454 is about 158.8122198085.

The spelling of 4005454 in words is "four million, five thousand, four hundred fifty-four".