4214809 has 3 divisors (see below), whose sum is σ = 4216863. Its totient is φ = 4212756.

The previous prime is 4214807. The next prime is 4214851. The reversal of 4214809 is 9084124.

The square root of 4214809 is 2053.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 2175625 + 2039184 = 1475^2 + 1428^2 .

It is not a de Polignac number, because 4214809 - 2¹ = 4214807 is a prime.

It is a super-2 number, since 2×4214809² = 35529229812962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4214807) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1027 + ... + 3079.

It is an arithmetic number, because the mean of its divisors is an integer number (1405621).

Almost surely, 2^4214809 is an apocalyptic number.

4214809 is the 2053-rd square number.

4214809 is the 1027-th centered octagonal number.

It is an amenable number.

4214809 is a deficient number, since it is larger than the sum of its proper divisors (2054).

4214809 is an frugal number, since it uses more digits than its factorization.

4214809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4106 (or 2053 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The cubic root of 4214809 is about 161.5322712495.

Multiplying 4214809 by its product of nonzero digits (2304), we get a square (9710919936 = 98544²).

The spelling of 4214809 in words is "four million, two hundred fourteen thousand, eight hundred nine".