1439229 has 8 divisors (see below), whose sum is σ = 2093472. Its totient is φ = 872240.

The previous prime is 1439209. The next prime is 1439233. The reversal of 1439229 is 9229341.

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

It is a cyclic number.

It is not a de Polignac number, because 1439229 - 2⁸ = 1438973 is a prime.

It is a super-2 number, since 2×1439229² = 4142760228882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1439196 and 1439205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1439209) 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, 21774 + ... + 21839.

It is an arithmetic number, because the mean of its divisors is an integer number (261684).

2^1439229 is an apocalyptic number.

It is an amenable number.

1439229 is a deficient number, since it is larger than the sum of its proper divisors (654243).

1439229 is a wasteful number, since it uses less digits than its factorization.

1439229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43627.

The product of its digits is 3888, while the sum is 30.

The square root of 1439229 is about 1199.6787069878. The cubic root of 1439229 is about 112.9041660128.

Subtracting from 1439229 its product of digits (3888), we obtain a palindrome (1435341).

The spelling of 1439229 in words is "one million, four hundred thirty-nine thousand, two hundred twenty-nine".