1828272361 has 4 divisors (see below), whose sum is σ = 1935817812. Its totient is φ = 1720726912.

The previous prime is 1828272343. The next prime is 1828272373. The reversal of 1828272361 is 1632728281.

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 1685923600 + 142348761 = 41060^2 + 11931^2 .

It is a cyclic number.

It is not a de Polignac number, because 1828272361 - 2⁷ = 1828272233 is a prime.

It is a super-3 number, since 3×1828272361³ (a number of 29 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1828272311) 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, 53772700 + ... + 53772733.

It is an arithmetic number, because the mean of its divisors is an integer number (483954453).

Almost surely, 2^1828272361 is an apocalyptic number.

It is an amenable number.

1828272361 is a deficient number, since it is larger than the sum of its proper divisors (107545451).

1828272361 is a wasteful number, since it uses less digits than its factorization.

1828272361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107545450.

The product of its digits is 64512, while the sum is 40.

The square root of 1828272361 is about 42758.3016617826. The cubic root of 1828272361 is about 1222.7761649306.

The spelling of 1828272361 in words is "one billion, eight hundred twenty-eight million, two hundred seventy-two thousand, three hundred sixty-one".