905153930 has 16 divisors (see below), whose sum is σ = 1637551080. Its totient is φ = 360222912.

The previous prime is 905153923. The next prime is 905153957. The reversal of 905153930 is 39351509.

It can be written as a sum of positive squares in 4 ways, for example, as 882505849 + 22648081 = 29707^2 + 4759^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 227765 + ... + 231704.

Almost surely, 2^905153930 is an apocalyptic number.

905153930 is a deficient number, since it is larger than the sum of its proper divisors (732397150).

905153930 is a wasteful number, since it uses less digits than its factorization.

905153930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459673.

The product of its (nonzero) digits is 18225, while the sum is 35.

The square root of 905153930 is about 30085.7762073708. The cubic root of 905153930 is about 967.3288646733.

The spelling of 905153930 in words is "nine hundred five million, one hundred fifty-three thousand, nine hundred thirty".