900149027 has 4 divisors (see below), whose sum is σ = 910994280. Its totient is φ = 889303776.

The previous prime is 900149023. The next prime is 900149053. The reversal of 900149027 is 720941009.

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

It is a cyclic number.

It is not a de Polignac number, because 900149027 - 2² = 900149023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 900148984 and 900149002.

It is not an unprimeable number, because it can be changed into a prime (900149021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5422502 + ... + 5422667.

It is an arithmetic number, because the mean of its divisors is an integer number (227748570).

Almost surely, 2^900149027 is an apocalyptic number.

900149027 is a deficient number, since it is larger than the sum of its proper divisors (10845253).

900149027 is a wasteful number, since it uses less digits than its factorization.

900149027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10845252.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 900149027 is about 30002.4836805222. The cubic root of 900149027 is about 965.5426720299.

The spelling of 900149027 in words is "nine hundred million, one hundred forty-nine thousand, twenty-seven".