905238630 has 24 divisors (see below), whose sum is σ = 2353620672. Its totient is φ = 241396944.

The previous prime is 905238613. The next prime is 905238647. The reversal of 905238630 is 36832509.

It is an interprime number because it is at equal distance from previous prime (905238613) and next prime (905238647).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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 11 ways as a sum of consecutive naturals, for example, 5029014 + ... + 5029193.

It is an arithmetic number, because the mean of its divisors is an integer number (98067528).

Almost surely, 2^905238630 is an apocalyptic number.

905238630 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

905238630 is an abundant number, since it is smaller than the sum of its proper divisors (1448382042).

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

905238630 is a wasteful number, since it uses less digits than its factorization.

905238630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10058220 (or 10058217 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 905238630 is about 30087.1838163694. The cubic root of 905238630 is about 967.3590364105.

The spelling of 905238630 in words is "nine hundred five million, two hundred thirty-eight thousand, six hundred thirty".