3920726 has 8 divisors (see below), whose sum is σ = 6190680. Its totient is φ = 1857168.

The previous prime is 3920689. The next prime is 3920729. The reversal of 3920726 is 6270293.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3920729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51551 + ... + 51626.

It is an arithmetic number, because the mean of its divisors is an integer number (773835).

Almost surely, 2^3920726 is an apocalyptic number.

3920726 is a deficient number, since it is larger than the sum of its proper divisors (2269954).

3920726 is a wasteful number, since it uses less digits than its factorization.

3920726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103198.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 3920726 is about 1980.0823215210. The cubic root of 3920726 is about 157.6844366608.

The spelling of 3920726 in words is "three million, nine hundred twenty thousand, seven hundred twenty-six".