4021469 has 8 divisors (see below), whose sum is σ = 4280760. Its totient is φ = 3764736.

The previous prime is 4021447. The next prime is 4021471. The reversal of 4021469 is 9641204.

It can be written as a sum of positive squares in 4 ways, for example, as 3193369 + 828100 = 1787^2 + 910^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4021469 is a prime.

It is a super-2 number, since 2×4021469² = 32344425835922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3377 + ... + 4409.

It is an arithmetic number, because the mean of its divisors is an integer number (535095).

Almost surely, 2^4021469 is an apocalyptic number.

It is an amenable number.

4021469 is a deficient number, since it is larger than the sum of its proper divisors (259291).

4021469 is a wasteful number, since it uses less digits than its factorization.

4021469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 4021469 is about 2005.3600674193. The cubic root of 4021469 is about 159.0235978846.

The spelling of 4021469 in words is "four million, twenty-one thousand, four hundred sixty-nine".