901285506 has 48 divisors (see below), whose sum is σ = 2199045888. Its totient is φ = 264304800.

The previous prime is 901285499. The next prime is 901285507. The reversal of 901285506 is 605582109.

It is a happy number.

901285506 is a `hidden beast` number, since 90 + 12 + 8 + 550 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (901285507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67281 + ... + 79556.

It is an arithmetic number, because the mean of its divisors is an integer number (45813456).

Almost surely, 2^901285506 is an apocalyptic number.

901285506 is an abundant number, since it is smaller than the sum of its proper divisors (1297760382).

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

901285506 is a wasteful number, since it uses less digits than its factorization.

901285506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146887 (or 146884 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 901285506 is about 30021.4174548771. The cubic root of 901285506 is about 965.9488482874.

The spelling of 901285506 in words is "nine hundred one million, two hundred eighty-five thousand, five hundred six".