1828906069 has 4 divisors (see below), whose sum is σ = 1830698380. Its totient is φ = 1827113760.

The previous prime is 1828906067. The next prime is 1828906091. The reversal of 1828906069 is 9606098281.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1495368900 + 333537169 = 38670^2 + 18263^2 .

It is a cyclic number.

It is not a de Polignac number, because 1828906069 - 2¹ = 1828906067 is a prime.

It is a super-2 number, since 2×1828906069² = 6689794818450065522, 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 (1828906067) 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, 894624 + ... + 896665.

It is an arithmetic number, because the mean of its divisors is an integer number (457674595).

Almost surely, 2^1828906069 is an apocalyptic number.

It is an amenable number.

1828906069 is a deficient number, since it is larger than the sum of its proper divisors (1792311).

1828906069 is a wasteful number, since it uses less digits than its factorization.

1828906069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792310.

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 1828906069 is about 42765.7113702087. The cubic root of 1828906069 is about 1222.9174264375.

The spelling of 1828906069 in words is "one billion, eight hundred twenty-eight million, nine hundred six thousand, sixty-nine".