4020367 has 4 divisors (see below), whose sum is σ = 4329640. Its totient is φ = 3711096.

The previous prime is 4020361. The next prime is 4020407. The reversal of 4020367 is 7630204.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4020367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020361) 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, 154617 + ... + 154642.

It is an arithmetic number, because the mean of its divisors is an integer number (1082410).

Almost surely, 2^4020367 is an apocalyptic number.

4020367 is a deficient number, since it is larger than the sum of its proper divisors (309273).

4020367 is a wasteful number, since it uses less digits than its factorization.

4020367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309272.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 4020367 is about 2005.0852849692. The cubic root of 4020367 is about 159.0090708536.

The spelling of 4020367 in words is "four million, twenty thousand, three hundred sixty-seven".