4090726 has 4 divisors (see below), whose sum is σ = 6136092. Its totient is φ = 2045362.

The previous prime is 4090703. The next prime is 4090733. The reversal of 4090726 is 6270904.

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

It is a junction number, because it is equal to n+sod(n) for n = 4090694 and 4090703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022680 + ... + 1022683.

It is an arithmetic number, because the mean of its divisors is an integer number (1534023).

Almost surely, 2^4090726 is an apocalyptic number.

4090726 is a deficient number, since it is larger than the sum of its proper divisors (2045366).

4090726 is a wasteful number, since it uses less digits than its factorization.

4090726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045365.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 4090726 is about 2022.5543255992. The cubic root of 4090726 is about 159.9312986300.

The spelling of 4090726 in words is "four million, ninety thousand, seven hundred twenty-six".