4090534 has 8 divisors (see below), whose sum is σ = 7012368. Its totient is φ = 1753080.

The previous prime is 4090531. The next prime is 4090553. The reversal of 4090534 is 4350904.

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

It is a junction number, because it is equal to n+sod(n) for n = 4090499 and 4090508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4090531) 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, 146077 + ... + 146104.

It is an arithmetic number, because the mean of its divisors is an integer number (876546).

Almost surely, 2^4090534 is an apocalyptic number.

4090534 is a deficient number, since it is larger than the sum of its proper divisors (2921834).

4090534 is a wasteful number, since it uses less digits than its factorization.

4090534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292190.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 4090534 is about 2022.5068603097. The cubic root of 4090534 is about 159.9287964425.

It can be divided in two parts, 4090 and 534, that added together give a square (4624 = 68²).

The spelling of 4090534 in words is "four million, ninety thousand, five hundred thirty-four".