905138364 has 24 divisors (see below), whose sum is σ = 2274450640. Its totient is φ = 278504064.

The previous prime is 905138329. The next prime is 905138413. The reversal of 905138364 is 463831509.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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, 2900929 + ... + 2901240.

Almost surely, 2^905138364 is an apocalyptic number.

It is an amenable number.

905138364 is an abundant number, since it is smaller than the sum of its proper divisors (1369312276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

905138364 is a wasteful number, since it uses less digits than its factorization.

905138364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5802189 (or 5802187 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 905138364 is about 30085.5175125840. The cubic root of 905138364 is about 967.3233195659.

The spelling of 905138364 in words is "nine hundred five million, one hundred thirty-eight thousand, three hundred sixty-four".