4021327 has 4 divisors (see below), whose sum is σ = 4026960. Its totient is φ = 4015696.

The previous prime is 4021309. The next prime is 4021349. The reversal of 4021327 is 7231204.

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-4021327 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 (4021357) 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, 1558 + ... + 3235.

It is an arithmetic number, because the mean of its divisors is an integer number (1006740).

Almost surely, 2^4021327 is an apocalyptic number.

4021327 is a deficient number, since it is larger than the sum of its proper divisors (5633).

4021327 is an equidigital number, since it uses as much as digits as its factorization.

4021327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5632.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 4021327 is about 2005.3246619937. The cubic root of 4021327 is about 159.0217261294.

The spelling of 4021327 in words is "four million, twenty-one thousand, three hundred twenty-seven".