4020806 has 8 divisors (see below), whose sum is σ = 6386040. Its totient is φ = 1892128.

The previous prime is 4020781. The next prime is 4020833. The reversal of 4020806 is 6080204.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59096 + ... + 59163.

It is an arithmetic number, because the mean of its divisors is an integer number (798255).

Almost surely, 2^4020806 is an apocalyptic number.

4020806 is a deficient number, since it is larger than the sum of its proper divisors (2365234).

4020806 is a wasteful number, since it uses less digits than its factorization.

4020806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118278.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 4020806 is about 2005.1947536337. The cubic root of 4020806 is about 159.0148582557.

The spelling of 4020806 in words is "four million, twenty thousand, eight hundred six".